PVC stands for-
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Chemistry GK · all questionsBiomolecules and Polymers
Biomolecules and Polymers
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The fibers, such as nylon and polyester, that are made from chemical substances are called:
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Lactose on hydrolysis gives
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Which of the following is a biodegradable waste?
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Glucose is a source of energy, which one of the following types of molecule is glucose?
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Which one of the following polymer is used in making bullet proof vests?
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Which of the following is an example of manmade fibre?
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Phenol is used in the manufacture of which one of the following?
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Which statements are correct?
1. In early 1930's Nylon was prepared from coal, water and air.
2. Nylon was the first synthetic fibre.
3. Nylon fibre was strong elastic and light.
1. In early 1930's Nylon was prepared from coal, water and air.
2. Nylon was the first synthetic fibre.
3. Nylon fibre was strong elastic and light.
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The metal present in Vitamin B12 is
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Which of the following is the first man made plastic that is bad conductor of heat?
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Which of the following statements about vitamins are correct?
1. Vitaminc C is essential to make connective tissue in body.
2. Vitamin D is needed for synthesis of eye pigment.
3. Vitamin B12 helps in maturation of RBC.
4. Vitamin-C is required to make use of calcium absorbed from the intestine.
Select the correct answer:
1. Vitaminc C is essential to make connective tissue in body.
2. Vitamin D is needed for synthesis of eye pigment.
3. Vitamin B12 helps in maturation of RBC.
4. Vitamin-C is required to make use of calcium absorbed from the intestine.
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Teflan is used in cooking equipment in a nonstick coating, used in the electronic industry due to its insulation characteristic in wiring etc., is a polymer containing carbon . . . . . . . . bonding is involved.
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Which one of the following polymer are used for making bulletproof materials?
1. Kevlar
2. Glypal
3. Lexan
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1. Kevlar
2. Glypal
3. Lexan
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Which of the following is an example of a non-cellulosic fibre?
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Which one of the following statements regarding starch and cellulose is not correct?
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Which one of the following polymers is made of proteins?
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Enzymes
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Match the following columns.
| Column I | Column II |
| a. Gypsum | 1. Prevent UV rays |
| b. Nylon | 2. Non stick utensils coating |
| c. Teflon | 3. Textile fabrics |
| d. Crookes glass | 4. Cement |
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Teflon is a polymer of which of the following monomers?
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