fuel, food preservation, nutrition, medicine, detergents and fertilizers - Category wise Question and Answer Practice Test with Solutions

Question : 21 [UP UDA/LDA (Spl)(Mains) 2010]

Which one of the following substances is used in the preservation of food stuff?

a) Potassium Chloride

b) Sodium Benzoate

c) Citric Acid

d) Sodium Chloride

Question : 22 [PSC (Pre) 2019]

What is detergent?

a) Medicine

b) Catalyst

c) Soap

d) Refining agent

Question : 23 [IAS (Pre) 2000]

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

a) 2, 3 and 4

b) 1 and 2

c) 2 and 3

d) 1, 3 and 4

Question : 24 [UPPCS (Mains) 2016]

Gasohol is a mixture of

a) Gasoline and Propanol

b) Gasoline and Methanol

c) Gasoline and Ethanol

d) Methanol and Ethanol

Question : 25 [UPPCS (Pre) 2015]

Who among the following invented ‘Gobar Gas’ system?

a) S.V. Desai

b) C.V. Raman

c) J.C. Bose

d) H. Khurana