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Chemistry
1.Which of the following phenomenon is considered responsible for Global Warming?

Answer:Option 1

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2.The nucleus of an atom consists of

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3.The number of moles of solute present in 1 kg of a solvent is called its

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4.The metal used to recover copper from a solution of copper sulphate is

Answer:Option 1

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5.The number of d-electrons in Fe2+ (Z = 26) is not equal to that of

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

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7.The molecules of which gas have highest speed?

Answer:Option 1

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8.The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is

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9.The main buffer system of the human blood is

Answer:Option 1

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10.The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is

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