(a) Why are alkali metals kept in kerosene oil? (b) What is: (i) basic lead carbonate and
(a) Why are alkali metals kept in kerosene oil?
(b) What is:
(i) basic lead carbonate and
(ii) brown powder deposit on iron?
(c) Why is hydrogen kept in the metal activity series?
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(a) Alkali metals like sodium and potassium are kept in kerosene as they react with moisture and air.
(b)
(i) Basic lead carbonate is a mixture of lead hydroxide and lead carbonate.
(ii) Brown powder is mainly hydrated iron
(c) oxide (Fe2O3.xH2O)
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