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Q:

Which subatomic particle determines the identity of an element?

A) Electrons B) Protons
C) Neutrons D) All the above
 
Answer & Explanation Answer: B) Protons

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Filed Under: Biology
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Q:

Birth rate in a country is defined as

A) Number of births per 100 in 1 year B) Number of births per 1000 in 1 year
C) Number of births per km of area in 1 year D) Number of births per 100 km of area in 1 year
 
Answer & Explanation Answer: B) Number of births per 1000 in 1 year

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Filed Under: Indian Economy
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Q:

_________ says that the marginal product of a factor input initially rises with its employment level. But after reaching a certain level of employment, it starts falling.

A) Law of diminishing marginal product B) Law of variable proportions
C) The Short Run D) The Long Run
 
Answer & Explanation Answer: B) Law of variable proportions

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Filed Under: Indian Economy
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Q:

Which one of the following is lyophilic colloid?

A) Gold sol B) Smoke
C) Cloud D) Starch aqueous solution
 
Answer & Explanation Answer: D) Starch aqueous solution

Explanation:

Starch aqueous solution is a lyophilic colloidal solution.

 

Lyophilic colloids are liquid loving colloids.  When these colloids are mixed with suitable liquid high force of attraction exists between colloidal particles and liquid.

 

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Filed Under: Chemistry
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Q:

An alloy is an example of

A) Colloidal solution B) Emulsion
C) Solid solution D) Heterogenous mixture
 
Answer & Explanation Answer: C) Solid solution

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Filed Under: Chemistry
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Q:

Which of the below options is called a laughing gas?

A) N2O B) CO2
C) H2O D) SO2
 
Answer & Explanation Answer: A) N2O

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Filed Under: Chemistry
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Q:

What is C12H22O11 also known as

A) Sand B) Sugar
C) Salt D) Clay
 
Answer & Explanation Answer: B) Sugar

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Filed Under: Chemistry
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Q:

The law of demand states that

A) if the price of a good increases, the demand for that good decreases. B) if the price of a good increases, the the demand for that good increases.
C) if the price of a good increases, the quantity demanded of that good decreases. D) if the price of a good increases, the quantity demanded of that good increases.
 
Answer & Explanation Answer: C) if the price of a good increases, the quantity demanded of that good decreases.

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Filed Under: Indian Economy
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