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:

Which of the below options is called a laughing gas?

A) N2O	B) CO2
C) H2O	D) SO2

Answer & Explanation Answer: A) N2O

Explanation:

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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

Explanation:

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Q:

'Group of Monuments' at Mahabalipuram one of the 'UNESCO World Heritage Site' founded by the Pallava Kings is in ____ district of ____.

A) Thanjavur, Tamil Nadu	B) Kancheepuram, Tamil Nadu
C) Sivagangai, Tamil Nadu	D) Nilgiris, Tamil Nadu

Answer & Explanation Answer: B) Kancheepuram, Tamil Nadu

Explanation:

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Filed Under: Indian Geography
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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:

_________ 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

Explanation:

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Filed Under: Indian Economy
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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

Answer & Explanation Answer: A) increase; increase

Explanation:

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Q:

Prawns belong to which family?

A) Crustaceans	B) Fish
C) Amphibians	D) Reptiles

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