Fill in the blanks:

(a) The most ductile metal is …………… .

(b) A metal stored in kerosene oil is …………… .

(c) Tungsten metal is a good conductor of …………… .

(d) …………… is a soft metal.

(e) …………… is the hardest compound known to us.

(f) A non-metal used to purify water is …………… .

(g) A metal that gives dazzling effect to crackers when they explode is …………… .

(h) A chemical compound that makes up the striking heads of match sticks is …………… .

(a) Silver

(b) Sodium

(c) electricity

(d) Pure gold

(e) Silicon carbide

(f) Chlorine

(g) Magnesium

(h) Phosphorous sulphide