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General Knowledge > General Science

SCIENCE FUNDAMENTALS MCQs

General Science Mixed, Science, Fundamentals Vectors

Total Questions : 736 | Page 71 of 74 pages
Question 701. Which of the following is a protein?
  1.    Cellulose
  2.    Starch
  3.    None of these
  4.    Natural rubber
 Discuss Question
Answer: Option D. -> Natural rubber
Question 702. Wood is the main raw material for the manufacture of
  1.    Paint
  2.    Paper
  3.    Ink
  4.    Gun powder
 Discuss Question
Answer: Option B. -> Paper
Question 703. Which of the following is commonly called a 'poly-amide'?
  1.    Rayon
  2.    Orlon
  3.    Terylene
  4.    Nylon
 Discuss Question
Answer: Option D. -> Nylon
Question 704. What are the soaps?
  1.    Sodium or potassium salts of heavier fatty acids
  2.    Salts of silicates
  3.    Esters of heavy fatty acids
  4.    Mixture of glycerol and alcohols
 Discuss Question
Answer: Option A. -> Sodium or potassium salts of heavier fatty acids
Question 705. The major ingredient of leather is:
  1.    Collagen
  2.    Nucleic acid
  3.    Polymer
  4.    Carbohydrate
 Discuss Question
Answer: Option A. -> Collagen
Question 706. Optic fibers are mainly used for which of the following?
  1.    Food industry
  2.    Musical instruments
  3.    Communication
  4.    Weaving
 Discuss Question
Answer: Option C. -> Communication
Question 707. How does common salt help in separating soap from the solution after saponification?
  1.    By increasing solubility of Soap
  2.    By decreasing density of Soap
  3.    By decreasing solubility of Soap
  4.    By increasing density of Soap
 Discuss Question
Answer: Option C. -> By decreasing solubility of Soap
Question 708. Rayon is chemically.
  1.    Cellulose
  2.    Amylase
  3.    Pectin
  4.    Glucose
 Discuss Question
Answer: Option A. -> Cellulose
Question 709. In vulcanisation, natural rubber is heated with
  1.    Silicon
  2.    Sulphur
  3.    Carbon
  4.    Phosphorous
 Discuss Question
Answer: Option B. -> Sulphur
Question 710. Deep blue colour is imparted to glass by the presence of
  1.    Cobalt oxide
  2.    Iron oxide
  3.    Cupric oxide
  4.    Nickel oxide
 Discuss Question
Answer: Option A. -> Cobalt oxide

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