Questions

Q:

Which colour is formed when Red and Green are mixed?

A) Light blue B) Yellow
C) White D) Grey
 
Answer & Explanation Answer: B) Yellow

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Q:

Friction is caused by the ______________ on the two surfaces in contact.

A) irregularities B) smoothness
C) densities D) gaps
 
Answer & Explanation Answer: A) irregularities

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Filed Under: Physics
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Q:

Binomial Nomenclature was founded by

A) Charles Darwin B) Robert Nucleus
C) Carl Linnaeus D) Lamarck
 
Answer & Explanation Answer: C) Carl Linnaeus

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Filed Under: Chemistry
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Q:

Match the characteristics with their market structure:
(a) Expand out put until MC = MR
(b) Elasticity of demand depends on pricing policies of rivals

A) (a) Pure competition, (b) Pure Monopoly B) (a) Pure Monopoly, (b) Monopolistic competition
C) (a) Pure competition, (b) Oligopoly D) (a) Monopolistic competition, (b) Oligopoly
 
Answer & Explanation Answer: D) (a) Monopolistic competition, (b) Oligopoly

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Filed Under: Indian Economy
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Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero. B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1. D) Hydrogen can have more than one oxidation number.
 
Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Q:

Chemical properties of isotopes .............

A) must be same B) must be different
C) need not be same D) need not be different
 
Answer & Explanation Answer: A) must be same

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Q:

How many atoms are present in one molecule of Ozone?

A) 4 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: D) 3

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Q:

The Environment (Protection) Act of India was enacted in the year -

A) 1997 B) 1986
C) 2004 D) 2012
 
Answer & Explanation Answer: B) 1986

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Filed Under: Indian Politics
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