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:

What is the other name of sodium carbonate?

A) Baking soda B) Washing soda
C) Baking powder D) No option is correct
 
Answer & Explanation Answer: B) Washing soda

Explanation:
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Q:

Matter is classified as a

A) pure substance B) mixture
C) both 1 & 2 D) none of the above
 
Answer & Explanation Answer: C) both 1 & 2

Explanation:
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Q:

Two or more elements combine to form a

A) atom B) valency
C) compound D) radical
 
Answer & Explanation Answer: C) compound

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Q:

Which one of the following is also regarded as Disguised unemployment?

A) Underemployment B) Frictional unemployment
C) Seasonal unemployment D) Cyclical unemployment
 
Answer & Explanation Answer: A) Underemployment

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Q:

In the following questions, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Literature is a _____ through which a person conveys his ideas towards or protest _____ different norms of society. The words that deal with a _____ issue are of particular importance in literature. They are _____ with a particular purpose in _____.

a particular purpose in _____.

A) all B) hand
C) mind D) total
 
Answer & Explanation Answer: C) mind

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Q:

Bahadur Shah (First) was born in the year _____.

A) 1543 B) 1643
C) 1743 D) 1843
 
Answer & Explanation Answer: B) 1643

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Q:

Kautilya was the Prime Minister of

A) Chandragupta Vikramaditya B) Ashok
C) Chandragupta Maurya D) King Kanak
 
Answer & Explanation Answer: C) Chandragupta Maurya

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