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R SHARMA-SOME BASIC CONCEPTS OF CHEMISTRY-Question Bank
- Which of the following is not a compound?
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- Which of the following is a homongenous mixture?
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- Laws of chemical combinations are important because they provided the...
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- Standard molar volume of all gases is
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- Which of the following has the minimum mass?
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- The empirical formula fo a compound is CH(2)O. Its vapor density is 30...
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- On heating 100g of Na(2)SO(4) 10 H(2) O will loose ..... % of water.
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- An oxide of iodine (I = 127 atoms) contains 42.3g of idonie and 8g o...
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- Which pair of species has the same percentage compostion?
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- 10g of a piece of martbnel (50% pure) was into excess of dilute HCl a...
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- Which of the following laws of chemical combination sis illustrated b...
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- How many molecules are present in 1g of hydrogen gas?
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- Dissolving 120g of urea (Mw = 60) in 1000 g of water gave a solution o...
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- In which of the following numbers are all the zeros significant?
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- Five thousands, with three significant figures, is written as
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- The height of a person has been reported in the following different w...
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- Which of the following consists of two or more than two different type...
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- Which of the following is a pure substance?
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- At what temperature the Celsius and Fahrement readings have the same n...
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- The number of significant figures in pi (pi) is
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