Objective General Knowledge

Q. Isotopes of an element
1 are physically identical with each other
2 are chemically identically with each other
3 are not identical with each other
4 have the same mass numbers
Ans: 2

Q. Iron articles rust because of the formation of
1 ferrous chloride
2 a mixture of ferrous and ferric hydroxides
3 sodium carbonate
4 ferric chloride
Ans: 2

Q. Glass is attacked by
1 hydrogen chloride
2 hydrogen bromide
3 hydrogen iodide
4 hydrogen fluoride
Ans: 4

Q. Glass is
1 a compound
2 a supercooled liquid
3 a mixture of polysilicates
4 both b and c
Ans: 2

Q. Gases have
1 a definite shape but not volume
2 a definite volume and shape
3 a definite volume but not shape
4 neither definite volume nor shape
Ans: 4

Q. F-block are also called
1 alkali metals
2 inner transition elements
3 transition elements
4 trans uranic elements
Ans: 2

Q. Faraday's Law is associated with
1 Electrolysis
2 Reaction of gases
3 Pressure of gases
4 Temperature and pressure
Ans: 1

Q. Enzymes belong to the category of
1 Proteins
2 Lipids
3 Carbohydrates
4 Steroids
Ans: 1

Q. Enzymes are sensitive to
1 Heat
2 pH
3 Poisons
4 All three
Ans: 4

Q. Enzymes are
1 Carbohydrates
2 proteins
3 fatty acids
4 nucleic acids
Ans: 2