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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1 1060

Q:

Which of the following is not the properties of an ionic compound?

A) Soluble in water and insoluble in petrol	B) High melting and boiling points
C) Low melting and boiling points	D) Solid and hard

Answer & Explanation Answer: C) Low melting and boiling points

Explanation:

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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

Explanation:

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Q:

What is C12H22O11 also known as

A) Sand	B) Sugar
C) Salt	D) Clay

Answer & Explanation Answer: B) Sugar

Explanation:

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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

Explanation:

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Filed Under: Indian Economy
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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.

Explanation:

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Q:

If the ___________ firm has zero costs or only has fixed cost, the quantity supplied in equilibrium is given by the point where the marginal revenue is zero.

A) Perfect Competition	B) Monopoly
C) Oligopoly	D) Monopolistic Competition

Answer & Explanation Answer: B) Monopoly

Explanation:

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Q:

Increase in the demand for a good will cause the equilibrium price of the good to ________ and the equilibrium quantity to _________.

A) increase; increase	B) decrease; decrease
C) increase; decrease	D) decrease; increase

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