1.

Name the following : (i) Metal, which is preserved in kerosene. (ii) A lustrous coloured non-metal. (iii) A metal, which can melt while kept on palm. (iv) A metal, which is a poor conductor of heat.

Answer»

Solution :(i) Sodium
(ii) IODINE
(iii) GALLIUM or CESIUM
LEAD or mercury.


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