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V PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-QUESTION BANK
- The empirical formula of sucrose is : CH2 O, CHO, C12 H22 O11, C(H2O2)
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- One mole of helium gas represents. 6.022xx10^23 He, 6.022xx10^23 He...
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- The number of significant figures in 0.050 is
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- The number of molecules in 16 g of methane is
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- The number of water molecules present in 8 g of oxygen gas are:
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- 10g CaCO3 on reaction with 0.1 M HCl acid will produce CO2 :- 1120cm...
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- The percentage of nitrogen in urea is about.
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- 7.5 grams of a gas occupy 5.6 litre of volumes at STP. The gas is
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- The number of water molecules present in a drop of water (volume 0.001...
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- 10 dm^3 of N2 gas and 10 dm^3 of gas x at the same temperature contain...
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- 7.5 grams of a gas occupy 5.6 litre of volumes at STP. The gas is
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- The prefix tera means
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- The mass of slaked lime necessary to decompose completely 1.07 g of am...
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- The laws of chemical combination are the basis of the atomic theory. N...
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- The simplest formula of a compound containing 50 % of element X (atomi...
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- Which contains the same number of atoms as in 6g carbon?
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- 32 g of a gas contains 6.022 xx 10^(23) molecules. Its vapour density ...
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- If LPG cylinder contains a mixture of butane and isobutane, then the a...
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- How many moles of water would be formed when 4g of methane ('CH4') are...
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- The number of gram molecule of oxygen in 6.02 xx 10^(24) CO molecules ...
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