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Carbon Monoxide

Write scienti...

Question

Write scientific reasons

a) Graphite is a conductor of electricity.

b) Graphite is not used in ornaments.

c) Limewater turns milky when CO2 is passed through it.

d) Biogas is an eco-friendly fuel.

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Fill in the blanks.

(a) ………… is a good conductor of heat and electricity.

(b) Fullerene is an ………… of carbon.

(c) ………… turns limewater milky.

(d) Charcoal is an ………… of carbon.

(e) Diamond is a ………… conductor of electricity.

(d) A biogas plant produces ………… gas.

Q. (a) What is graphite? Of what substance is graphite made?
(b) Describe the structure of graphite with the help of a labelled diagram.
(c) Why is graphite a good conductor of electricity but diamond is a non-conductor of electricity?
(d) State any two uses of graphite.

Q. Write scientific reasons. [5 marks]
a. Graphite is a conductor of electricity.
b. Graphite is not used in ornaments.
c. Limewater turns milky when carbon dioxide is passed through it.
d. Biogas is an eco-friendly fuel.

Q. Limewater turns milky when _____ gas is passed through it.

Q.  Why limewater turns milky when

{CO}_{2}

is passed through it.

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