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AAKASH SERIES-STOICHIOMETRY-OBJECTIVE EXERCISE - 1
- Avogadro number is
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- A mole is define so A) the amount of substance containing the same n...
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- The mass of a mole of hydrogen atoms is
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- The molar mass of hydrogen is
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- One mole of atoms of oxygen represents
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- One mole of molecules of dioxygen represents
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- One mole of sodium represents
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- The charge present on 1 mole electronsis
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- The weight of 0.1 mole of Na(2)CO(3) is
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- The molar mass of a substance is 20g. The molecular mass of the substa...
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- Avogadro number of helium atoms have a mass of
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- The volume of two moles of oxygen at STP
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- The following property of a gas does not vary with pressure and temper...
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- The ratio between the number of molecules in equal masses of nitrogen ...
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- The gas which is twice as dense as oxygen under the same conditions is
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- 1 mole of water vapour is condensed to liquid at 25^(@)C. Now this wat...
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- A chemical equation is always balanced with respect which one of the f...
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- Which of the following has highest mass?
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- 1 gram of hydrogen contains6xx10^(23) atoms. Then 4 grams of He contai...
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- Elements 'A' and 'B' combine in the ratio of their
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