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NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
- 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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- The weight of SO(2) formed when 20gms of sulphur is burnt in excess of...
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- If 12.0 lit of H(2) and 8.0 lit of O(2) are allowed ot react, the O(2)...
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- The volume in litre of CO(2) liberated at STP when 10g of 90% pure lim...
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- 26 cc of CO(2) are passed over red hot coke. The volume of CO evolved ...
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- If 1.26 grams of oxalic acid is dissolved in 250 ml of solution then i...
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- The mass of Na(2)CO(3) required to prepare 500ml of 0.1M solution is
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- Calculate the molarity of NaOH in the solution prepared by dissolving ...
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- The molarity of pure water is
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- A solution is prepared by adding 2g of substance A to 18g of water. Th...
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- The average oxidation state of sulphur in sodium tetrathonate (Na(2)S(...
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- In Ba(H(2)PO(2))(2) the oxidation number of phosphorous is
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- When Cl^(-) ions are converted to Cl(2), the oxidation number of chlor...
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- 3Cu + 8HNO(3) rarr 3Cu (NO(3))(2) +2NO +4H(2)O the wrong statement for...
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