V PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-QUESTION BANK
- Give an example of molecule in which. (i) Ratio of molecular formula ...
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- Balance the following equations: a. H3PO3 rarr H3PO4+PH3 b. Ca+H2O r...
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- Match the following.
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- Which of the following mixtures are homogeneous? a. wood b. tap wate...
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- 3.00 g of H2 react with 29.00 g of O2 to yield H2O. (i) Which is the ...
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- If the mass percent of various elements of a compound' is known, its e...
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- Calculate the number of atoms in. a. 1g of hydrógen
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- Calculate the number of significant figures in the following values. ...
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- Convert 22.4L in cubic metres.
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- How many significant figures are there in each of the following number...
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- Is the law of constant composition true for all types of compounds? Ex...
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- Classify each of the following as pure substance or mixture. (a) Ethy...
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- (a) How many signifficant figures are there in '1.00 xx 10^6' ? (c) Gi...
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- Calculate the number of moles in each of the following. a. '11 g' of '...
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- Express the number 0.0000000540 in scientific notation and calculate t...
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- State the number of significant figures in the following nựmbers. i. ...
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- 4.62g of sugar and 2.935g of table salt were mixed with 28.2g of water...
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- What is the difference between 3.0 and 3.00 g ?
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- Express the following numbers to four significant figures. i. 5.60798...
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- Calculate the molecular mass of the following? i. C6H(12)O6 ii. HNO...
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