The number of moles of solute present in 1 kg of a solvent is called its
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 earths 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 rocks 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 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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