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NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
- Number of atoms in 558.5 g Fe (at.wt.55.85) is:
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- If N(A) is Avogadro's number, then number of valence electrons in 4.2 ...
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- The weight of 1 xx 10^(22) molecules of CuSO(4).5H(2)O is
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- 8gms of O(2) has the same number of molecules as
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- Which one of the following gases contain the least number of molecukes...
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- The number of molecules present in 4.4g of CO(2) gas is
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- Calculate the number of Cl^(-) and Ca^(2+) ions in 222 g anhydrous CaC...
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- One mole of CO(2) contains
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- When equal masses of methane and sulphur dioxide are taken, then the ...
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- The number of moles of H(2) in 0.224 L of hydrogen gas a STP (273 K, 1...
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- Atomic weight of elements is 40 and its valency is 2. what is its equi...
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- Which of the following has equivalent weight is equal to ("Molecular w...
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- Equivalent weight of metal is 20. if the metal forms tripositive ion, ...
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- A compound has 40% of carbon by weight. If molecular weight of the com...
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- An organic compound contains C = 40%, H = 13.33%, and N = 46.67%. Its ...
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- What is the percentage of deterium to heavy water ?
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- 27 g of Al will react completely with…… g of O(2)
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- 20 gms of sulphur on burning in air produced 11.2 lits of SO(2) at STP...
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- The number of moles of Fe(2)O(3) formed when 0.5 moles of O(2) and 0.5...
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- X litres of carbon monoxide is present at S.T.P. It is completely oxid...
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