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CHETANA PUBLICATION- SOME BASIC CONCEPTS OF CHEMISTRY-EXERCISE
- What is chemistry ? What are the various branches of chemistry ?
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- Calculate the volume of hydrogen required for hydrogenation of 0.60 dm...
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- Calculate the no. of moles in 6 xx 10^21 NH3, 5 XX10 ^21 C atoms and...
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- Calculate the no. of moles in 1.6xx10^-2 kg of SO2, 5g of CaCO2 and 1...
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- Calculate the no. of moles present in 0.0056 m^3 of Ar and 224 cm^3 of...
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- A signature made by graphite pencil is of weight 2 xx 10^-3 g . Calcu...
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- Calculate the volume of oxygen required for the complete combustion of...
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- A sample of pure water , whatever the source always contains……………… by ...
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- Which of the following compounds can NOT demonstrate the law of multip...
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- Which of the following temperature will read the same value on Celsius...
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- SI unit of the quantity electric current is ………………
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- In reaction N 2 + 3H2 rarr 2NH3 the ratio by volume ofN2 , H2 and NH...
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- Which of the following has maximum number of molecules ?
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- How many g of H2 O are present in 0.25 mol of it ?
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- The number of molecules in 22.4 cm^3 of nitrogen gas at STP is
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- Which of the following has the largest number of atoms ?
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- A sample of pure water , whatever the source always contains……………… by ...
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- The number of molecules in 22.4 cm^3 of nitrogen gas at STP is
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- In reaction N 2 + 3H2 rarr 2NH3 the ratio by volume ofN2 , H2 and NH...
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- The temperature at absolute zero is.
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- Define the term unit .
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