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NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
- The mass of nitrogen per gram in hydrazine is exactly one and half the...
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- Add 6.65 10^(4) and 8.95'10^(3).
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- Report tha answer to correct singificant figures in 2.5' 1.25
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- Two oxides of metal M have 27.6% and 30% oxygen by weight. If the form...
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- If dry air is considered to have only nitrogen and oxygen and is found...
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- No . of gram atoms in 1kg of Helium
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- No of gram atoms in 12.044 xx 10^(23) Na atoms
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- Mass of one hydrogen atom
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- No of atoms in 4 gram of calcium
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- No of molecules in 2.2 grams of Co(2)
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- The volume occupied by 35.5g of CI(2) at S.T.P.
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- Calculate the no. of moles in 0.72 grams of glucose ?
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- Calculate weight of 0.1 moles of Na(2)CO(3)?
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- Calculate the number of moles in 5.6 lit of methane at STP ?
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- Calculate weight of 3.011 xx 10^(23) molecules of SO(2)?
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- Calculate the number of molecules in 1120 ml of hydrogen at STP?
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- What is the ratio of number of molecules, if tha mass ratio of N(2) an...
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- Equivalent weight of sulphate ion and bicarbonate ion :
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- H(2)SO(4)+NaOH rarr NaHSO(4)+H(2)O In this equation the equivalent wei...
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- H(2)SO(4)+2NaOH rarr Na(2)SO(4) +2H(2)O In this equation the equivalen...
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- Mg(OH)(2)+HCI rarr Mg(OH)CI +H(2)O In this reaction, the equivalent ...
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