The group of metals Fe, Co, Ni may best called as
transition metals
main group metals
alkali metals
rare metals
Additional Questions
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Heavy water is |
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The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of |
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The element common to all acids is |
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Non stick cooking utensils are coated with |
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Monazite is an ore of |
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Carbon, diamond and graphite are together called |
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Potassium nitrate is used in |
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Permanent hardness of water may be removed by the addition of |
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Soda water contains |
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The most important ore of aluminium is |
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