STD 8 Carbon game by SREEJI SREENIVASAN | Baamboozle - Baamboozle

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Solution used to test presence of Carbon dioxide.

Lime water

Carbon monoxide is a reducing agent. True or False

True

Give one use of Coke.

Fuel, Metallurgical operations, making electrodes.

State one use of black diamond.

Making laser beams, needles in record player, cutting glass as well as diamonds.

Carbon dioxide gas is collected by downward displacement of water. True or False

False

Name the substance taken in the round bottom flask in the picture shown.

Marble chips

Diamond is neither conductor of heat or electricity. True or False

True

Process by which sugar charcoal is obtained.

Destructive distillation of sugar or by dehydrating sugar with concentrated Sulphuric acid

Soot is also called as.....

lamp black or Carbon black

Lamp black is used in manufacturing of tyres.

To increase durability.

Solid form of carbon dioxide is known as..........................

Dry ice

List allotropic form of carbon

Amorphous and Crystalline form.

Coke is produced when coal is strongly heated in absence of air. True or False

True

Colour change observed when litmus paper is brought near the gas jar containing carbon dioxide gas.

Blue litmus turns red.

Name the unique property of carbon to join other carbon atoms.

Catenation

Graphite is used to make refractory crucibles. Why?

Because it is a good conductor of heat and has high melting point.

Name the substance add through the thistle funnel in the picture shown.

Dilute Hydrochloric acid

Graphite is used as a lubricant. True or False.

True