Q:

Consider the following chemical reaction :

${aFe}_{2} O_{3} (s) + bCO (g) + cFe (s) + {dCO}_{2}$

In the balanced chemical equation of the above, which of the following will be the values of the coefficients a, b, c and d respectively?

A) 3, 2, 3, 1	B) 1, 3, 2, 3
C) 2, 3, 3, 1	D) 3, 3, 2, 1

Answer & Explanation Answer: B) 1, 3, 2, 3

Explanation:

Fe2O3 + 3CO = 2Fe + 3CO2

Hematite + Carbon Monoxide = Iron + Carbon Dioxide

In this reaction, the iron oxide is reduced to iron, and the carbon is oxidised to carbon dioxide.

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Filed Under: Chemistry
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0 116372

Q:

The staple food of the Vedic Aryan was

A) Barley and rice	B) Milk and its products
C) Rice and pulses	D) Vegetables and fruits

Answer & Explanation Answer: B) Milk and its products

Explanation:

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Filed Under: Indian History

808 116280

Q:

Choose the antonym of

stun

A) petrify	B) calm
C) flabbergast	D) stupefy

Answer & Explanation Answer: B) calm

Explanation:

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Filed Under: English
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0 116168

Q:

Rearrange the parts of the sentence in correct order.

There needs to be a

P : more coordinated effort

Q : forest diseases in India

R : towards dealing with

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

Answer & Explanation Answer: A) PRQ

Explanation:

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Filed Under: English
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0 115877

Q:

Select the antonym of

to muster

A) to convocate	B) to rally
C) to estrange	D) to aggregate

Answer & Explanation Answer: C) to estrange

Explanation:

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Filed Under: English
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0 115823

Q:

Select the synonym of

confuse

A) explicate	B) perplex
C) mix	D) divert

Answer & Explanation Answer: B) perplex

Explanation:

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Filed Under: English
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4 115806

Q:

Improve the bracketed part of the sentence.

I would love (to availing) a short holiday, and go for an overnight trek.

A) to avail myself of	B) to avail of
C) to avail myself	D) no improvement

Answer & Explanation Answer: C) to avail myself

Explanation:

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Filed Under: English
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0 115741

Q:

Improve the bracketed part of the sentence.

The kids are happy. They (were playing ) in the pool since noon.

A) are playing	B) played
C) have been playing	D) no improvement

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