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SUBHASH PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY -NUMERICAL PROBLEMS AND ANSWERS:
- Who discovered law of constant composition a definite proportion.
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- The mass of precious stones is at present in terms of carat Given that...
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- Calculate the percentage of the naturally occuring isotopes ""^(35)Cl ...
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- Convert 22.4 L into cubic metres.
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- Calculate the molar mass of water if it contains 50% heavy water (D(2)...
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- 60 cc of oxygen was added to 24 cc of carbon monoxide and the mixture ...
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- 200 cm^(3) of carbon monoxide is mixed with 200 cm^(3) of oxygen at ro...
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- Calculate the volume of oxygen required to burn completely a mixture o...
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- Calculate the mass of 50 cc of CO at STP (C=12, O=16)
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- Calculate the volumes at STP occupied by 6.023 xx 10^(23) molecules of...
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- Calculate the number of molecules in 1 kg of sodium chloride. [Na =23,...
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- Calculate the value of 1 a.m.u. in grams.
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- 0.48 g of a gas forms 100 cm^(3) of vapours at STP. Calculate the gram...
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- Calculate the number of moles in the following mass (a) 7.85 g Fe (ato...
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- Calculate the normality of oxalic acid solutions containing 0.895 g cr...
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