Practice Basic chemistry quiz - general science mcq Online Quiz (set-1) For All Competitive Exams

Q-1)   The percentage of nitrogen in urea is

(a)

(b)

(c)

(d)


Q-2)   Which of the following is a natural fuel?

(a)

(b)

(c)

(d)


Q-3)   Aspirin is obtained from

(a)

(b)

(c)

(d)


Q-4)   In what form cooking gas is supplied in cylinders?

(a)

(b)

(c)

(d)


Q-5)   Which of these is not a colloid?

(a)

(b)

(c)

(d)


Q-6)   Which is main component of natural gas?

(a)

(b)

(c)

(d)


Q-7)   What is the main component of L.P.G.?

(a)

(b)

(c)

(d)


Q-8)   The most suitable crop for green manuring is

(a)

(b)

(c)

(d)


Q-9)   Which form of nitrogen is available in urea?

(a)

(b)

(c)

(d)


Q-10)   Consider the following statements.
  1. Liquefied Natural Gas (LNG) is liquefied under extremely cold temperatures and high pressure to facilitate storage or transportation in specially designed vessels.
  2. First LNG terminal in India was built in Hassan.
  3. Natural Gas Matters (NGM) are separated from LPG and these include ethane, propane, butane and natural gasoline.
Which of the statements given above is/are correct?

(a)

(b)

(c)

(d)


Q-11)   Which of the following is consumed in the manufacture of urea fertilizer?

(a)

(b)

(c)

(d)


Q-12)   Which one of the following is used in food preservation?

(a)

(b)

(c)

(d)


Q-13)   Which one of the following is used in the manufacture of soaps?

(a)

(b)

(c)

(d)


Q-14)   Match List-I with List-II and select the correct answer using the codes given below the lists:
List-I (Fuel Gases) List-II (Major Constituents)
A. CNG 1. Carbon monoxide, Hydrogen
B. LPG 2. Butane, Propane
C. Coal gas 3. Methane
D. Water gas 4. Hydrogen, Methane, Carbon monoxide
Code: (A) (B) (C) (D)

(a)

(b)

(c)

(d)

Explanation:


Q-15)   Hydrogen gas can be conveniently used as a fuel for running vehicles if it is absorbed at very low temperature by a substance only to be released at the temperature generated by the exhaust. What is the substance found in India?

(a)

(b)

(c)

(d)


Q-16)   Consider the following features of newer models of motor cars.
  1. Radial tyres
  2. Streamlined body
  3. Multipoint fuel injection
  4. Catalytic converter with exhaust
Which of these features make the new models of motor cars more fuel efficient?

(a)

(b)

(c)

(d)

Explanation:


Q-17)   Which of the following is the procedure for a biogas plant?

(a)

(b)

(c)

(d)


Q-18)   Which one of the following acids, is formed during the change of milk into curd?

(a)

(b)

(c)

(d)


Q-19)   Charcoal which is used in decolouring raw sugar is

(a)

(b)

(c)

(d)


Q-20)   Which of the following is not a chemical fertilizer?

(a)

(b)

(c)

(d)