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General Knowledge > General Science

SCIENCE FUNDAMENTALS MCQs

General Science Mixed, Science, Fundamentals Vectors

Total Questions : 736 | Page 6 of 74 pages
Question 51. Atoms of an element differ from those of all other elements in
  1.    Atomic number and electronic configuration.
  2.    Number of neutrons and number of valence electrons.
  3.    Atomic number and number of valence electrons.
  4.    Number of neutrons and electronic configuration.
 Discuss Question
Answer: Option A. -> Atomic number and electronic configuration.
Question 52. Nuclear fission is caused by the impact of:
  1.    Neutron
  2.    Proton
  3.    Deuteron
  4.    Electron
 Discuss Question
Answer: Option A. -> Neutron
Question 53. How many colours the sunlight spectrum has?
  1.    Three
  2.    Seven
  3.    Four
  4.    Five
 Discuss Question
Answer: Option B. -> Seven
Question 54. Which of the following rays are the most penetrating?
  1.    Beta rays
  2.    Alpha rays
  3.    Gamma rays
  4.    X-rays
 Discuss Question
Answer: Option C. -> Gamma rays
Question 55. Which is/are the important raw material(s) required in cement industry?
  1.    Gypsum and Clay
  2.    Clay
  3.    Limestone and Clay
  4.    Limestone
 Discuss Question
Answer: Option C. -> Limestone and Clay
Question 56. Which type of fire extinguisher is used for petroleum fire?
  1.    Powder type
  2.    Liquid type
  3.    Soda acid type
  4.    Foam type
 Discuss Question
Answer: Option A. -> Powder type
Question 57. Which of the following is commonly called a 'poly-amide'?
  1.    Terylene
  2.    Nylon
  3.    Rayon
  4.    Orlon
 Discuss Question
Answer: Option B. -> Nylon
Question 58. Epoxy resins are used as:
  1.    Detergents
  2.    Insecticides
  3.    Adhesives
  4.    Moth repellents
 Discuss Question
Answer: Option C. -> Adhesives
Question 59. Detergents used for cleaning clothes and utensils contain?
  1.    Bicarbonates
  2.    Bismuthates
  3.    Sulphonates
  4.    Nitrates
 Discuss Question
Answer: Option C. -> Sulphonates
Question 60. Which of the following is used for removing air bubbles from glass during its manufacture?
  1.    Arsenous oxide
  2.    Potassium carbonate
  3.    Soda ash
  4.    Feldspar
 Discuss Question
Answer: Option A. -> Arsenous oxide

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