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V PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-QUESTION BANK
- How can you illustrate the law of multiple proportions by using oxides...
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- "One mole of all substances contain the same number of specified parti...
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- Fill in the blanks.
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- Arrange the following in the increasing order of their mass. a. 1 g o...
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- One volume of a gaseous compound requires 2 volumes of O2 for combusti...
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- "The star of India'' sapphire weighs 563 carats If one carat is equal ...
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- 1050cm^3 of a gas measured at STP weighis 3 g. Catculate the mass of a...
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- In the combustion of methane, what is the limiting reactant and why?
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- 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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