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R SHARMA-SOME BASIC CONCEPTS OF CHEMISTRY-Question Bank
- 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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- Which of the following is true? (i) The result of a measurment may ...
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- Suppose the mass of an object has been determined to be 14.5678g. If t...
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- Numbers are expressed in scientific notation. In this notation, every...
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- Which of the following is correct for luminous intensity?
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- Candela is the SI unit of
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- The dimensions of Planck's constant are
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- The prefix yotta stands for
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- Which of the following has an ambiguous number of significant figures?
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