Questions

Q:

Select the synonym of

aground

A) stranded B) higher
C) afloat D) buoyant
 
Answer & Explanation Answer: A) stranded

Explanation:
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Q:

Select the antonym of

to contend

A) to comply B) to oppugn
C) to grapple D) to vie
 
Answer & Explanation Answer: A) to comply

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Q:

Consider the following chemical reaction :

aFe2O3(s) + bCO(g) + cFe(s) + dCO2

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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Q:

Select the antonym of

to brood

A) to repine B) to ignore
C) to fret D) to mope
 
Answer & Explanation Answer: B) to ignore

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Q:

Select the synonym of

decree

A) certificate B) Law
C) title D) award
 
Answer & Explanation Answer: B) Law

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Q:

Which of the following is NOT a compound?

 

A) Ammonia B) Milk
C) Sodiumchloride D) Chalk
 
Answer & Explanation Answer: B) Milk

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Q:

Which of the following represents a relation for ‘heat lost = heat gained’?

 

A) Principle of thermal equilibrium B) Principle of colors
C) Principle of calorimetry D) Principle of vaporization
 
Answer & Explanation Answer: C) Principle of calorimetry

Explanation:

Heat lost by hot object = Heat gained by cold object

where we ignore heat gained or lost from/to the surroundings.

The study of heat gained and lost in this manner is often called Calorimetry.

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Q:

Select the synonym of

reassert

A) renounce B) acknowledge
C) disbelief D) conceal
 
Answer & Explanation Answer: B) acknowledge

Explanation:
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