Questions

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:

Crystallisation is an example of?

A) Physical Change B) Chemical Change
C) Chemical Reaction D) Galvanisation
 
Answer & Explanation Answer: A) Physical Change

Explanation:
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Q:

Which of the following gases are responsible for the greenhouse gas effect on Earth?

A) Water Vapour and Carbon dioxide B) Carbon dioxide and Nitrogen
C) Oxygen and Methane D) Ozone and Methane
 
Answer & Explanation Answer: A) Water Vapour and Carbon dioxide

Explanation:
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Q:

What is the name of the process where gas is directly converted to solids called?

A) Sublimation B) Deposition
C) Condensation D) Evaporation
 
Answer & Explanation Answer: B) Deposition

Explanation:
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Q:

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.


Targeting inflation comes from a belief that policy should be _________ and transparent, so that the private sector can factor this ___________ their decision-making. The question that this ________ is: are there more "complicated" policies which _________ better? I just note that one such policy is called "nominal income targeting". _____________ it is more complicated and the private sector is deemed to be intellectually challenged.

private sector can factor this ___________ their decision-making.

 

A) into B) in
C) within D) onto
 
Answer & Explanation Answer: A) into

Explanation:
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Q:

There are total _________ parliamentary seats (Rajya Sabha constituency) in Sikkim.

A) 11 B) 19
C) 10 D) 1
 
Answer & Explanation Answer: D) 1

Explanation:
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Q:

Which one is not the key objective of the Jan Aushadhi Campaign?

A) Make quality the hallmark of medicine availability B) Redefine the unit cost of treatment per person
C) Develop a model which can be replicated only in India D) To be adopted by the Private Sector also
 
Answer & Explanation Answer: C) Develop a model which can be replicated only in India

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Q:

Which of the following is the uppermost layer of the atmosphere?

A) Stratosphere B) Mesosphere
C) Ionosphere D) Exosphere
 
Answer & Explanation Answer: D) Exosphere

Explanation:
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