Dyes and Pigments IELTS Reading Answers
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Ready to test your IELTS Reading skills? Dyes and Pigments IELTS Reading Answers is here to help! Take the test, use our expert tips, and check your answers to see how you perform. A great way to prepare and boost your confidence before test day.
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Dyes and Pigments is a passage that appeared in IELTS Academic Reading exam. With diligent practice of this passage, you can ensure that your Reading skills are up to the mark and the reading module can be the top-scoring category for you. So, understand how to approach and answer the different question types in the reading module to achieve a top score.
The question types found in Dyes and Pigments are:
- IELTS Reading Matching Heading
- IELTS Reading Multiple-Choice Questions
- IELTS Reading Summary COmpletion
Practice the reading passage, Dyes and Pigments below and for more, try IELTS reading practice tests. But, before you take the test, learn some tips from this video to get that perfect IELTS reading score!
Dyes and Pigments IELTS Reading Passage
You should spend about 20 minutes on Questions 14-26, which are based on the Reading Passage below.
A. Dyeing is a process of coloring materials, or cloth fibers, whereby the colour becomes part of the fiber. The fastness of the colour, or its permanency, depends upon the dye and the process used. True dyeing is a permanent colour change, and the dye is absorbed by, or chemically combined with, the fiber.
B. In ancient times all the dyes used were natural; actually, this was true up until mid-1800. The dyestuffs came from a variety of natural sources, some commonly available, others rare or difficult to produce. Some of the common dyes included logwood or quercitron, fustic, woad, and indigo. An example of the rare dyes would be cochineal and Tyrian purple. Collectively, these substances are called dyestuffs, and were occasionally traded as a commodity. The dyestuffs were extracts from plants, mollusks, insects, woods, or naturally occurring minerals. There are many plants which produce dye suitable in the dyeing process, and many were heavily cultivated. Madder and woad were grown in Europe specifically for their dyeing properties. Saffron was also extensively grown in Anatolia for its yellow dye. Probably one of the most famous dyes was Tyrian purple, from a Mediterranean shellfish. The Phoenicians of Tyre, in Lebanon, produced this very expensive dye long before written history began. Many other areas had special dyes which were famous in antiquity.
C. The value of a dye is not just its availability, but also its fastness or durability against daily use. It must withstand washing, wearing, sunlight, perspiration, without losing an appreciable amount of its colour. The colour, and its brightness, also helped determine the dye’s value. Premium colours were purple, blue, and bright shades of red.
D. There are two classifications of dyeing, the home craft and the trade, or industrial, dyeing. The manufacturing of clothing, the spinning, weaving and embroidery, tended to stay within the family unit. An exception to this would be the carpets made in Anatolia and Persia, for example, or the very fine, sheer linen woven in Egypt. But the manufacture of dyes and their use in dyeing yarn and cloth soon became an industry, supporting large numbers of people, even entire cities. The art of dyeing was one of the earliest arts known to man after he became civilized. Trade dyeing was, however, a highly competitive business. These were the professionals of the ancient world when it came to dyed cloth. Many of the processes were closely guarded secrets, and many of the special skills were handed down over generations. The ingredients may come from far away; the tools may be specialized and the process often was steeped in superstition.
E. As far back as man can historically see, rulers have set themselves apart from everyone else by wearing exotic and rare items, and dyed clothing was very early a part of this status proclamation. Still today the important and the wealthy prefer to wear items not available to all. In Egypt, the pharaohs wore specially made clothing, dyed with colours difficult to obtain. Dyed fabrics from tombs of early Egyptian attest to the antiquity of the dyers art.
F. In the ancient Greek and Roman world, Tyrian purple became the colour of choice for rulers and emperors. The dye was extremely expensive, therefore, available to only a few. When in later times merchants, considered unimportant, became wealthy enough to buy purple-dyed cloth, laws were passed to prevent their diluting the impressiveness of the colour. Only rulers, or emperors, were allowed to wear purple. Later, however, the law was changed to include the rulers’ family; then senators; and so on, eventually losing its status. This is where the phrase “born to the purple” came from.
G. The word pigment comes from the Latin “pigmentum” meaning coloured material. Pigments are generally distinguished from dyes as colouring materials on the basis of their soluble ability (solubility) characteristics. Pigments are used mainly in the colouration of paints, printing inks, and plastics, although they are used to a certain extent in a much wider range of applications including textiles, ceramics, paper, and cosmetics. In contrast to dyes, pigments are highly insoluble colouring materials, which are incorporated into an applications medium by dispersion, and they remain as discrete solid particles held mechanically within a polymeric matrix. Pigments are thus required to resist dissolving in solvents, which they may contact in application to minimize problems such as ‘bleeding’ and migration. In addition to solvent resistance, pigments are required to be fast to light, weathering, heat and chemicals such as acids and alkalis to a degree dependent on the demands of particular application.
Natural inorganic pigments, derived mainly from mineral sources, have been used as colourants since pre-historic times and a few, notably iron oxides, remain of some significance today. The origins of the synthetic inorganic pigment industry may be traced to the introduction of Prussian blue in the early 18th century, pre-dating the synthetic organic colourant industry by some 150 years. The organic pigments are the oxides, sulfides, hydroxides, silicates, sulfates and carbonates of metals. The colour of a pigment is due to its interactions with light by scattering and absorption.
The synthetic organic pigment industry emerged towards the end of the 19th century out of the established synthetic textile dyestuffs industry. Many of the earliest organic pigment were known as ‘lakes’. These products were prepared from established water soluble dyes by precipitation on to an insoluble inorganic substrate. A further significant early development in organic pigments was the introduction of a range of azo pigments. One of the most critical events in the development of the organic pigment industry was the discovery, in 1928, of copper phtalocyanine blue. This was the first pigment to offer the outstanding intensity and brightness of colour typical of organic pigments, combined with an excellence range of fastness properties, comparable with many inorganic pigments. Organic pigments generally provide higher intensity and brightness of colour than inorganic pigments. However, organic pigments are unable to provide the degree of opacity offered by most inorganic pigments which have the lower reflectance.
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Dyes and Pigments IELTS Reading Questions
Questions 1 - 5
Choose the most suitable headings for paragraphs B – F from the list of headings below. Write appropriate numbers (ⅰ-ⅹ) in boxes 1 – 5 on your answer sheet.
NB There are more headings than paragraphs, so you will not use them all.
List of Headings
i. | Clothing symbolizing status |
ii. | The factors determining the dye’s quality |
iii. | The invaluable colour |
iv. | The importance of plants in ancient times |
v. | From family to industry |
vi. | The value of colours |
vii. | Dyestuff sources in the past |
viii. | Availability and durability of a dye |
ix. | The competitive and secret industry |
x. | Pigments, insoluble colouring materials |
Example | Answer |
Paragraph G | ⅹ |
Question 1. Paragraph B
Question 2. Paragraph C
Question 3. Paragraph D
Question 4. Paragraph E
Question 5. Paragraph F
Questions 6 – 8
Choose the appropriate letters A – D and write them in boxes 6 – 8 on your answer sheet.
Question 6. Among the following dye colours, which one had superior value in the past?
(A) yellow
(B) red
(C) blue
(D) white
Question 7. The pharaohs wore specially dyed clothing, because ________
(A) it was difficult to obtain.
(B) it was exotic and rare.
(C) it distinguished them.
(D) it attested to the antiquity of the dyers art.
Question 8. According to the passage, the phrase “born to the purple” describes someone who ________
(A) has a royal birth
(B) is very wealthy
(C) extremely favors the purple colour.
(D) was born with silver spoon.
Questions 9 - 13
Complete the summary below. Choose no more than three words from the passage for each answer. Write your answers in boxes 9 – 13 on your answer sheet.
As colouring materials, the distinguishing characteristic of pigments is that they are more .……(9)….… than dyes, and in the colouring process, dyes are ……….(10)…….… by the materials, while pigments work by ………..(11)…….…. Compared with inorganic pigments, organic pigments give colour higher …………(12)……….., but lower ……….(13)……..….,
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Dyes and Pigments IELTS Reading Passage Answers
Let’s now review the answers to the questions from the passage in the reading section, Dyes and Pigments Reading Answers, and assess your improvement for a high IELTS Reading band score.
Question number | Answer | Explanation |
---|---|---|
14 | vii | In Paragraph B, the line “dyestuffs came from a variety of natural sources” states that this paragraph talks about the types of sources used to make dye in the past. Hence, the appropriate heading for this answer is “vii.” |
15 | viii | The first line of paragraph C, “the value of a dye is not just its availability, but also its fastness or durability against daily use”, confirms that this paragraph discusses the availability and durability of dye. Hence, the appropriate heading for this answer is “viii.” |
16 | v | The initial line, “two classification of dyeing, the home craft and the trade, or industrial, dyeing”, from paragraph D confirms that this paragraph discusses dyes originating from family to industry. Hence, the appropriate heading for this answer is “v.” |
17 | i | As per the second line of paragraph E, “dyed clothing was very early a part of this status proclamation. Still, today, the important and the wealthy prefer to wear items not available to all.” Since the wealthy preferred wearing clothing that was not available to general people, it implies that this passage discusses clothing symbolising status. Hence, the appropriate heading for this answer is “i.” |
18 | vi | In paragraph F the second line states that “the dye was extremely expensive, therefore, available to only a few.” Through this line, we can deduce that this passage talks about the value of colours. Hence, the appropriate heading for this answer is “vi.” |
19 | C | The last line of paragraph C conveys that “the colour, and its brightness, also helped determine the dye’s value. Premium colours were purple, blue, and bright shades of red.” Through this information, we can deduce that the colours which had superior value in the past were purple, blue, and shades of red. Here, the author is referring to shades of red which means it can have any shade of red but not exactly red. So, here the one superior colour is blue. Hence, the correct answer is “C.” |
20 | A | Paragraph E states that “in Egypt, the pharaohs wore specially made clothing, dyed with colours difficult to obtain.” From this line we can deduce that the correct answer is “A.” |
21 | A | Paragraph F mentions that “only rulers, or emperors, were allowed to wear purple.” Therefore, “this is where the phrase ‘born to the purple’ came from.”
Since only emperors and kings were allowed to wear purple at first, persons born into royal families were referred to as being “born to the purple” or having a royal birth. As a result, the correct answer is “A.” |
22 | insoluble | Paragraph G discusses the dyes and the pigments in detail where it states that “pigments are generally distinguished from dyes as colouring materials on the basis of their soluble ability.” Also, “in contrast to dyes, pigments are highly insoluble colouring materials.” The term ‘pigments are highly insoluble’ infers that pigments are more insoluble than dyes. Hence, the correct answer is “insoluble.” |
23 | absorbed | According to Paragraph A, “true dyeing is a permanent colour change, and the dye is absorbed by, or chemically combined with, the fibre.” Through this information, we can determine that in the process of colouring, dyes are absorbed. Hence, the correct answer is “absorbed.” |
24 | dispersion | Paragraph G provides the information that “pigments are highly insoluble colouring materials, which are dyed, pigments are highly insoluble colouring materials, which are incorporated into an application medium by dispersion.” Since pigments are insoluble colouring material, it infers that to make pigments work, it is included into another medium by dispersion. Hence, the correct answer is “dispersion.” |
25 | intensity | In paragraph I, there’s a line that states that “organic pigments generally provide higher intensity and brightness of colour than inorganic pigments.”
The words ‘organic pigments generally provide higher intensity.’ provide the information that pigments generally provide or work on high intensity. Hence, the correct answer is “intensity.” |
26 | opacity | Paragraph I also mentions that “organic pigments are unable to provide the degree of opacity offered by most inorganic pigments which have the lower reflectance.” Therefore, the organic pigments are unable to provide the degree of opacity. It means that it has a lower degree of opacity. Hence, the correct answer is “opacity.” |
Tips to Solve the Question Types in Dyes and Pigments IELTS Reading Answers
Let us check out some quick IELTS Exam Preparation Tips for Band Score of 8+ to answer the three types of questions in the Reading Answers.
IELTS Reading Matching Headings
IELTS Reading Matching Headings question asks you to match each paragraph with a suitable heading. Focus on finding the main idea of each paragraph.
- Read the list of headings first and underline keywords (e.g., “invention,” “uses,” “advantages”).
- Skim the paragraphs one by one, focusing on the first and last lines to identify the main idea.
- Don’t match based on repeated words—look for synonyms or paraphrased ideas.
- The answers will not be in order—you need to go paragraph by paragraph.
- Eliminate headings that clearly don’t match the paragraph’s overall idea.
IELTS Reading Multiple-Choice Questions
You need to choose the correct option (A–D) based on the passage. Use keywords to find answers in the text in IELTS Reading Multiple Choice Questions.
- Read the question and all four options carefully before going to the text.
- Underline keywords in the question (e.g., “main purpose,” “difference between dyes and pigments”).
- The answers will appear in the same order as the passage—this helps you follow the text logically.
- Use the elimination method—rule out answers that are only partly correct or not mentioned.
- Only read the relevant section where your keyword is located; don’t read the entire passage.
IELTS Reading Summary Completion
IELTS Reading Summary Completion task requires you to complete a summary using words from the passage or a box. Focus on grammar and keywords.
- Read the summary and incomplete sentences before reading the passage.
- The answers will be in the same order as the list of incomplete sentences.
- Predict the type of word (noun/verb/adjective) needed using grammar clues in the sentence.
- Use the elimination process when options are given in a box.
- Don’t read the complete text first—scan only the relevant sentences that match phrases in the summary.
- Always check the word limit (e.g., “NO MORE THAN TWO WORDS”) and stick to it.
Mastering passages like “Dyes and Pigments” can significantly boost your Reading IELTS band score. Regular practice with real exam-style questions not only improves speed and accuracy but also builds your confidence. Keep exploring different IELTS Reading passages and refine your techniques to ensure success on test day.
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