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V PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-QUESTION BANK
- Calculate the no. of moles of phosphorus in 92.9 g of phosphorus assum...
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- Calculate the volume at STP occupied by i. 14g of nitrogen
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- Calculate the volume of 34 g of 'NH3' at STP?
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- The molecular mass of benzene is 78 and its percentage composition is ...
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- A compound contains 4.07% hydrogen, 24.27% carbon and 71.65% chlorine....
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- Calculate the percentage composition of calcium nitrate (Ca(NO3)2).
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- 1.0 g of Mg is burnt in a closed vessel which contains 0.5 g of O2 . W...
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- A solution is prepared by dissolving 4 g of NaOH to give 500 ml of it....
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- What is the molality of a solution which contians 36 g of glucose '(C6...
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- The molecular mass of an organic compound is 78 and its composition i...
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- What is the different between the following. (i) 2.5 xx 10^3 g and 2....
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- Calculate the number of moles of O2 required to produce 240 g of Mgo ...
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- State the number of significant figures in each of the following numbe...
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- In the commercial manufacture of nitric acid, how many moles of NO2 pr...
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- The number of molecules in 4.25 g of ammonia is approximately
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- The number of molecules in 32 g of oxygen is 3.2xx10^(16), 6.0xx10^(2...
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- One mole of 'CO2' contains
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- Number of atoms is 1.4 g nitrogen is,
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- Which has maximum number of atoms?
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- The empirical formula of sucrose is : CH2 O, CHO, C12 H22 O11, C(H2O2)
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