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Chemistry

Answer: D

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222.

The acid generally stored in batteries is

Answer: C

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223.

The inherited traits of an organism are controlled by

Answer: C

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224.

The presence or absence of hydroxy group on which carbon atom of sugar differentiates RNA and DNA ?

Answer: B

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225.

The most abundant metal in earth crust is

Answer: D

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226.

The heat energy produced when the human body metabolises 1 gram of fat is

Answer: C

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Answer: D

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228.

Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at ?6° C will be: (Kf for water = 1.86 Kg/mol and molar mass of ethylene glycol = 62 kg/mol)

Answer: C

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229.

The metallurgical process in which a metal is obtained in a fused state is called ?

Answer: B

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Answer: A

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