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:

West Bengal approved the construction of states 1st Deep Sea Port at

A) Udaipur	B) Digha
C) Bakkhali	D) Tajpur

Answer & Explanation Answer: D) Tajpur

Explanation:

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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

Explanation:

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Q:

Who won the Gold Medal in 400m sprint in 2016 Summer Olympics?

A) Usain Bolt	B) Justin Gatlin
C) Andre De Grasse	D) Wayde van Niekerk

Answer & Explanation Answer: D) Wayde van Niekerk

Explanation:

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Q:

Which cricket player recently became the 6th Indian to take 300 wickets in test cricket?

A) Bhuvanesh Kumar	B) Jasprit Bumrah
C) Ishant Sharma	D) Ravichandran Ashwin

Answer & Explanation Answer: C) Ishant Sharma

Explanation:

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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

Explanation:

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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

The realisation came when we noticed that our children (had becoming) too dependent on us.

A) had become	B) has became
C) has become	D) no improvement

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