Which of the following phenomenon is considered responsible for Global Warming?
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The nucleus of an atom consists of
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The number of moles of solute present in 1 kg of a solvent is called its
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The most electronegative element among the following is
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The metal used to recover copper from a solution of copper sulphate is
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The number of d-electrons in Fe2+ (Z = 26) is not equal to that of
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The metallurgical process in which a metal is obtained in a fused state is called
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The molecules of which gas have highest speed?
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The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth's early life and solidified into hard rock's called
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The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is
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The main buffer system of the human blood is
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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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The most commonly used bleaching agent is
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The nucleus of a hydrogen atom consists of
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The heat required to raise the temperature of body by 1 K is called
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The nuclear particles which are assumed to hold the nucleons together are
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The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is
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The octane number of zero is assigned to
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The metal that is used as a catalyst in the hydrogenation of oils is
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The most abundant rare gas in the atmosphere is
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