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Chemistry GK · all questions

Metal and Its Compounds
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An amalgam of metal has which other element?

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Which pair of following is of Copper alloys?

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Which of the following metals reacts vigorously with cold water?

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Which one of the following elements will not react with dilute HCl to produce H2?

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What is baking soda?

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Which of these neither a metal nor mineral-

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Chemical name of caustic soda is . . . . . . . .

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Which of the following is used as disinfectant?

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Which among the following elements comes under metalloids?

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Mica is a

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There is no reaction when steam passes over

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An alloy of lead & tin is called:

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Food cans are coated with tin but not with zinc because

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What is the chemical formula of Plaster of Paris?

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Zinc is used to protect iron form corrosion because zinc is

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On providing heat, the decomposition of calcium carbonate into calcium oxide and carbon di-oxide, is example of . . . . . . . .?

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How many water molecules are present in a molecule of washing soda?

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Which of the following metals is the best conductor of electricity?

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Calcium sulphate hemihydrate is also known as:

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Which of the following elements has the lowest melting point?

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