Practice Chemistry online test - general science mcq Online Quiz (set-2) For All Competitive Exams

Q-1)   Poisonous mustard gas is a

(a)

(b)

(c)

(d)


Q-2)   Which of the following polymer is used in the manufacture of bulletproof material?

(a)

(b)

(c)

(d)


Q-3)   Which among the following is not a polymer?

(a)

(b)

(c)

(d)


Q-4)   In all bio-compounds the most necessary fundamental element is

(a)

(b)

(c)

(d)


Q-5)   Which of the following is not a natural polymer?

(a)

(b)

(c)

(d)


Q-6)   Match List-I with List-II and select the correct answer using the codes given below the lists:
List-I (Acid) List-II (Source)
A. Lactic acid 1. Lemon
B. Acetic acid 2. Rancid butter
C. Citric acid 3. Milk
D. Butyric acid 4. Vinegar
Code: (A) (B) (C) (D)

(a)

(b)

(c)

(d)

Explanation:


Q-7)   Match List-I with List-II and select the correct answer using the codes given below the lists:
List-I List-II
A. Pickle 1. Carbonic acid
B. Sour milk 2. Acetic acid
C. Apple 3. Lactic acid
D. Cold drinks and Soda water 4. Malic acid
Code: (A) (B) (C) (D)

(a)

(b)

(c)

(d)

Explanation:


Q-8)   Accumulation of which one of the following in the muscles leads to fatigue?

(a)

(b)

(c)

(d)


Q-9)   Calcium Carbide is used for artificial ripening of green fruits because it produces

(a)

(b)

(c)

(d)


Q-10)   Which one of the following is used in making ‘Bulletproof Jacket’?

(a)

(b)

(c)

(d)


Q-11)   Lemon is citrus due to

(a)

(b)

(c)

(d)


Q-12)   Which of the following acid is found in molasses?

(a)

(b)

(c)

(d)


Q-13)   Which one of the following chemicals help in fruit ripening?

(a)

(b)

(c)

(d)


Q-14)   Methane gas producing field is

(a)

(b)

(c)

(d)


Q-15)   RDX was invented by

(a)

(b)

(c)

(d)


Q-16)   Which of the following chemicals is used for ripening?

(a)

(b)

(c)

(d)


Q-17)   Teflon is the common name of

(a)

(b)

(c)

(d)


Q-18)   A mixture of which one of the following pairs of gases is the cause of occurrence of most of the explosions in mines?

(a)

(b)

(c)

(d)


Q-19)   Consider the following statements about acetylene.
  1. It is used in welding industry.
  2. It is a raw material for preparing plastics.
  3. It is easily obtained by mixing silicon carbide and water.
Of these statements.

(a)

(b)

(c)

(d)


Q-20)   Which of the following gas mixture is used in welding gas?

(a)

(b)

(c)

(d)