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DISHA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-Exercise
- The number of gram molecules of oxygen in 6.02 xx 10^(24) CO molecu...
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- Suppose elements X and Y combine to form two compounds XY(2) and X(3)Y...
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- 4 g of a hydrated crystal of formula A.xH(2)O has 0.8 g of water. If ...
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- 6.02xx10^(20) molecules of urea are present in 100 ml of its solution....
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- A metallic chloride contain 47.22% metal. Calculate the equivalent we...
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- Sulphur forms the chlorides S(2)Cl(2) and SCl(2). The equivalent mass ...
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- If 0.20 g chloride of a certain metal, when dissolved in water and tr...
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- Equivalent mass of a metal M is 2.5 times that of oxygen. The minimum...
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- The same amount of a metal combines with 0.20 g of oxygen and with 3.1...
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