Q:

What does one mole of H2O correspond to

A) 16 gms	B) 18 gms
C) 20 gms	D) 22 gms

Answer & Explanation Answer: B) 18 gms

Explanation:

The molar mass of H2O can be calculated as the following.

M(H2O)= [2 x M(H)] + [M(O)].

And we know that M(H) = 1g/mol, M(O) = 16g/mol.

So, M(H2O)= 2x1 + 16 = 18g/mol,

That means 1 mole of H2O contains 18g.

Hence, one mole of H2O corresponds to 18 grams.

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Q:

Which of the following crop is known as Green Gold?

A) Coffee	B) Neem
C) Tea	D) Rice

Answer & Explanation Answer: C) Tea

Explanation:

Tea crop is known as Green Gold.

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Q:

Improve the bracketed part of the sentence

I prefer black coffee (over) cappuccino.

A) rather than	B) to
C) instead of	D) no improvement

Answer & Explanation Answer: B) to

Explanation:

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Q:

NASA successfully tested supersonic landing parachute in November 2017 for its approximate ______ mission.

A) Zuma 2020	B) GOLD
C) ICON	D) Mars 2020

Answer & Explanation Answer: D) Mars 2020

Explanation:

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Q:

Rearrange the parts of the sentence in correct order

The pesticides

P-are more harmful than
Q-those used in many other parts of the world
R-used in India

A) RQP	B) PQR
C) RPQ	D) QRP

Answer & Explanation Answer: C) RPQ

Explanation:

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Q:

Which new England colony was established by the separatists?

A) Bermuda	B) Akrotiri
C) Plymouth	D) Cayman

Answer & Explanation Answer: C) Plymouth

Explanation:

In the year 1620, Plymouth colony was established by separatists.

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Q:

What comes down but never goes up?

Answer

Rain is what only comes down but never goes up.

Workspace

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Q:

Fill in the blank with the most appropriate option.

Ethanol is denatured to ___.

A) make it unsuitable for drinking	B) make it suitable for drinking
C) increase its stability	D) make it suitable as an antiseptic

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