Question

10. From the list given below select the correct substance
which is most suitable to the statements given :
(oxygen, diamond, zinc, graphite, gold]
(a) A metal which is brittle.
(b) A non-metal which is a good conductor of
electricity
(c) The hardest naturally occurring substance,
(d) The most ductile metal.
(e) A gaseous non-metal.​

Answer 1

Answer:

a)zinc.

b)graphite.

c)diamond.

d)gold.

e)oxygen.

Answer 2

Required Answer:-

• (a) A metal which is brittle. Zinc
• (b) A non-metal which is a good conductor of electricity. Graphite
• (c) The hardest naturally occurring substance. Diamond
• (d) The most ductile metal. Gold
• (e) A gaseous non-metal. Oxygen

Note:-

• Zinc is a metal which can be made ductile and malleable when heated to higher temperatures of 100°C -150°C.
• Diamond is a good conductor of only heat not electricity.
• Whereas graphite is a good conductor of both heat and electricity$.$