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Q:

Quartz composed of which two elements

A) Iron and magnesium B) Iron and oxygen
C) Oxygen and silicon D) Silicon and iron
 
Answer & Explanation Answer: C) Oxygen and silicon

Explanation:
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Filed Under: World Geography

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Q:

Hitendra Desai was known outstanding in which field ?

A) Literature B) Politics
C) Journalism D) Social Service
 
Answer & Explanation Answer: B) Politics

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Filed Under: Famous Personalities

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Q:

Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted.

A) rough white B) rough black
C) shining white D) shining black
 
Answer & Explanation Answer: B) rough black

Explanation:

Black surfaces are good emitters of heat. If the black surface is rough too, the emitting will be better. Shinning surfaces reflect black radiation . So if the black surface is also shining the effectiveness of emitting heat is lessened.

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Filed Under: Physics

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Q:

Distance of stars are measured in

A) Galactic unit B) seller mile
C) Cosmic Kilometre D) Light year
 
Answer & Explanation Answer: D) Light year

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Filed Under: Physics

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Q:

Which among the following is a Vitamin?

A) Citric acid B) Follic acid
C) Glutonic acid D) none
 
Answer & Explanation Answer: B) Follic acid

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Filed Under: Biology

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Q:

The substances that are composed of to or more different elements in fixed proportion by mass are called

A) mixture B) compound
C) element D) None of these
 
Answer & Explanation Answer: B) compound

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Filed Under: Chemistry

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Q:

The element that has the highest first ionization potential is.......

A) Oxygen B) Carbon
C) Boron D) Nitrogen
 
Answer & Explanation Answer: D) Nitrogen

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Filed Under: Chemistry

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Q:

The purpose of the UNIA was to

A) Economic self sufficiency B) Racial pride
C) Formation of black nation D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

UNIA - Universal Negro Improvement Association.

 

It is primarily in the United States, organization founded by Marcus Garvey, dedicated to racial pride, economic self-sufficiency, and the formation of an independent black nation in Africa.

 

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Filed Under: World Organisations
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