Chemistry
Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ?
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According to 1973 constitution what is the term of the office of President?
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Ordinary table salt is sodium chloride, what is baking soda?
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Which of the following cutting conditions greatly affects the tool wear?
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Which gas is used in refrigerators for cooling?
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Which one of the following non-metals is not a poor conductor of electricity?
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Which of the following acid is used in Ink?
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Hydrogen diffusion rate________________?
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A solution is ______ while a suspension is not.
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