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SOME BASIC CONCEPTS OF CHEMISTRY
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CHHAYA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-EXERCISE (NUMERICAL PROBLEMS)
- A gas-mixture having 1200 mL volumea t 27^(@)C and 1 atm pressure cons...
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- The volume of the gas mixture obtained by passing 400 mL CO(2) over re...
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- 10 mL of a gaseous hydrocarbon is completely combusted with 60 mL of o...
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- Determine the values of x, y and z. [All volumes were measured at same...
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- Calculate the strength in-percentage (W/V), moles perr litre or molari...
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- Calculate the molality of a solution prepared by equal volumes of a 40...
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- An impure sample of (NH(4))(2)SO(4) is supplied to a laboratory. 3.6g ...
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- A sample of 3.95g of 60% pure chalk (impurities in the chalk are insol...
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- 1 L each of three samples of H(2)O(2) labelled as 10 volume, 20 volume...
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- Mass of an empty LPG cylinder is 14.8 kg annd when it is filled with n...
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- 0.3 g of a metal reacts with dilute acid and produce 110 mL of H(2) wh...
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- Find the volume of ammonia gas (at STP) which on passing through 30 mL...
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- A hole is formed on 0.1 mm thick aluminium sheet on pouring of 1 mL 12...
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- 52.5 millimol LiAlH(4) reacts with 15.6g (210 millimol) tert-butyl alc...
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- 0.19 g of a improve H(2)O(2) sample is dissolve din a 20 mL solution. ...
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- 20.2 mL of CH(3)COOH reacts with 20.1 mL of C(2)H(5)OH and produce CH(...
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- 0.05g of a commercial sample of KClO(3) on decomposition liberated jus...
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- For complete neutralisation of 25 mL of Na(2)CO(3) solution (specific ...
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- A metal M of atomic masss 54.94 has a density of 7.42g/cm^(3). Calcula...
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- 4.08g of a mixture of BaO and unknown carbonate (MCO(3)) was heated st...
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