Chemistry General Knowledge Questions and Answers: Chemistry GK
Chemistry-General Knowledge questions and answers
11. The chemicals used as a fixer in phosphorous is
A. borax
B. sodium thiosulpahte
C. sodium sulphate
D. ammonium persulphate
Answer : B. sodium thiosulpahte
12. Which one of the following does not contain silver?
A. horn silver
B. german silver
C. ruby silver
D. Lunar caustic
Answer : B. german silver
13. Which one among the following is called philosopher wool?
A. zinc bromide
B. zinc nitrate
C. zinc oxide
D. zinc chloride
Answer : C. zinc oxide
14. Which one of the following when dissolved in HO gives a hissing sound?
A. Limestone
B. slacked lime
C. soda lime
D. quick lime
Answer : A. Limestone
15. Which one of the following is also called Stranger Gas?
A. Argon
B. Neon
C. Xenon
D. Nitrous oxide
Answer : C. Xenon
16. What are Rubies and Sapphires chemically known as
A. Silicon dioxide
B. Aluminium oxide
C. Lead tetra oxide
D. Boron nitride
Answer : B. Aluminium oxide
17. Which one of the following is used as a mordant in the dying and tanning industry?
A. Magnesium oxide
B. Magnesium carbonate
C. Magnesium chloride
D. Magnesium sulphate
Answer : D. Magnesium sulphate
18. Mixture of which one of the following pairs of gases is the cause of occurrence of most of the explosions in mines?
A. Hydrogen and oxygen
B. oxygen and acetylene
C. Methane and air
D. Carbon dioxide and methane
Answer : C. Methane and air
19. Which synthetic fibre is known as artificial silk?
A. Cotton
B. Rayon
C. Terylene
D. Nylon
Answer : B. Rayon
20. Bagasse, a by-product of the sugar manufacturing industry is used for the production of
A. Nylon
B. Glass
C. Paper
D. Alcohol
Answer : C. Paper
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