Q.No.1

Red lead is

Q.No.2

Producer gas is a mixture of

Q.No.3

LPG contains mainly

Q.No.4

Lead pencil contains

Q.No.5

The gas obtained by heating Potassium Ferrocyanide with conc.H2So4 is

Q.No.6

Freon is

Q.No.7

The glass used in optical instruments is

Q.No.8

Which of the following is a good conductor of electricity ?

Q.No.9

The allotropic form of carbon which is used for making lead pencil is

Q.No.10

Thermodynamically most stable form of carbon is


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