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Solution used to test presence of Carbon dioxide.
Lime water
Carbon dioxide gas is collected by downward displacement of water. True or False
False
Name the unique property of carbon to join other carbon atoms.
Catenation
List allotropic form of carbon
Amorphous and Crystalline form.
Diamond is neither conductor of heat or electricity. True or False
True
State one use of black diamond.
Making laser beams, needles in record player, cutting glass as well as diamonds.
Graphite is used to make refractory crucibles. Why?
Because it is a good conductor of heat and has high melting point.
Graphite is used as a lubricant. 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.
Coke is produced when coal is strongly heated in absence of air. True or False
True
Give one use of Coke.
Fuel, Metallurgical operations, making electrodes.
Name the substance add through the thistle funnel in the picture shown.
Dilute Hydrochloric acid
Name the substance taken in the round bottom flask in the picture shown.
Marble chips
Solid form of carbon dioxide is known as..........................
Dry ice
