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MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
- Cinnabar is an ore of
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- Which metal is the consituent of haemoglobin?
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- The liquid non-metal is
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- Pure gold is equal to
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- Mg dissolves in hot water to form
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- ……………are alloys of iron, aluminium, Nickel and cobalt
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- ……………..exists as a dimer.
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- Which of the following metals is less reactive than hydrogen?
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- Which of the following metals reacts vigorously with oxygen?
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- Which of the following is least reactive with dil. HCl?
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- Which metal is used for making foils used in packing of food materials...
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- Which of the following is the sulphide ore of copper?
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- The liquid non-metal is
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- The phenomenone of produing a charaterstics sound when a material is s...
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- Copper reacts with dilute nitric acid and liberates
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- Which of the following metals will change blue colour of copper sulpha...
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- Most abundant metal on the surface of earth is:
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- The second most abundant metal present in the crust of the earth is
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- Chemical formula of cryolite is
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- Which of the following reactions cannot occurs?
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