General Knowledge Quiz 7 - Competitive Exams - SSC/Other Exams

1. Combustion is the process in which —
(A) Heat is produced
(B) Light is produced
(C) Heat and Light is produced
(D) None of these

2. The chemical used as a fixer in photography is —
(A) Borax
(B) Sodium thiosulphate
(C) Sodium Sulphate
(D) Ammonium persulphate

3. A mixture of iron filings and sand can be separated by —
(A) Heating
(B) Sublimation
(C) Hand picking
(D) Magnetic Separation

4. In which of the following process, Vanadium Pentoxide is used as a catalyst ?
(A) Contact process
(B) Haber process
(C) Solvary process
(D) None of these

5. The rate of chemical reaction does not depend on —
(A) Concentration
(B) Catalyst
(C) Temperature
(D) Pressure

6. Which of the following metals can displace hydrogen from dilute acids ?
(A) Zinc
(B) Gold
(C) Copper
(D) Silver

7. Reaction of alcohol, with carboxylic acid is known as —
(A) Substitution reaction
(B) Addition reaction
(C) Esterification
(D) Hydrogenation

8. Saponification involves the hydrolysis of fats and oils by —
(A) Water
(B) Washing soda
(C) Stearic acid
(D) Caustic acid

9. Which of the following gases is obtained by the reaction of water with Calcium Carbide ?
(A) Acetylene
(B) Ethylene
(C) Methane
(D) Water gas

10. The gas liberated during the reaction of copper with dilute nitric acid is —
(A) NO2
(B) N2O5
(C) O2
(D) NO

1. (C) 2. (B)  3. (D) 4. (A) 5. (D) 6. (A) 7. (C) 8. (D) 9. (C) 10. (D)


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