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NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
- 81.4 g sample of enthyl ethyl alcohol contains 0.002 g of water. The a...
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- Two samples of lead oxide were separately reduced to metallic lead by ...
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- Which one of the following pairs of compound illustrates the law of mu...
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- 4*4 g of an oxide of nitrogen gives 2*24 L of nitrogen and 60 g of ano...
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- Two metallic oxides contain 27.6% and 30% oxygen, respectively. If the...
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- Irrespective of the source, pure sample of water always yields 88.89% ...
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- The ratio of the mass of C-12 atom to that of an atom of element X (wh...
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- Study the following table: Which two compounds have least weight of ox...
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- Which of the following contain 9 xx 10^(23) oxygen atoms?
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- Number of gram atoms of oxygen present in 0.3 mole of (COOH)(2).2H(2)O...
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- No. of moles of water in 488.6 gms of BaCl(2).2H(2)O are (molecular we...
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- Equivalent weight of metal 'M' is 12. Equivalent weight of Y in the co...
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- The oxide of an element possesses the formula MO(2). If the equivalent...
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- 3 g of an oxide of a metal is converted completely to 5 g chloride. Eq...
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- A compound contains 28% N and 72% of a metal by weight . Three atoms o...
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- An organic compound contains 40%C, 6.6%H. The empirical formula of the...
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- X and Y are two different elements having their atomic masses in 1:2 r...
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- When 4g of iron is burnt to ferric oxide at constant pressure, 29.28KJ...
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- X' grams of calcium carbonate was completely burnt in air. The weight ...
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- When oxalic acid is heated with concentrated H(2) SO(4) it produces
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