Chemistry GK Quiz and Questions
What is the increase in the ratio of oxygen in a chemical reaction?
(A) Reduction reaction
(B) oxidation reaction
(C) endothermic reaction
(D) displacement reaction
Correct Answer : B
Sodium chloride and water are formed by the reaction of sodium hydroxide and hydrochloric acid. What is this reaction?
(A) neutralization
(B) Disintegration
(C) combination
(D) precipitation
Correct Answer : A
What type of reaction is respiration?
(A) exothermic reaction
(B) combination reaction
(C) oxidation-reduction reaction
(D) two-decomposition reaction
Correct Answer : A
Which of the following is not oxidation?
(A) precipitation
(B) Digestion of food
(C) Respiration
(D) combustion
Correct Answer : A
Which of the following is not oxidized?
(A) combustion
(B) precipitation
(C) Digestion of food
(D) Respiration
Correct Answer : B
Which of the following are strongly acidic?
(A) pH = 7
(B) pH = 14
(C) pH = 0
(D) pH = 3
Correct Answer : C
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