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Chemistry

Chemistry
Which one of the following has a maximum tendency to form M3 ion ?

As
P
Bi
N

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Chemistry
Lead pencil contains

Lead
Lead sulphide
Ferrous sulphide
Graphite

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Chemistry
Williamson's synthesis is widely used in the laboratory preparation of

Esters
Aldehydes
Ethers
Alcohols

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Chemistry
Bridgmanite is

A bridge on the river Thames
Name of a game
Earth’s most abundant minera
Name of a music

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Chemistry
Phosphorus is kept in water because

Its ignition temperature is very high
Its ignition temperature is very low
Its critical temperature is low
Its critical temperature is high

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Chemistry
Stalactites and Stalagmites form due to the precipitation of :

MgCl2
MgCO3
CaCl2
CaCO3

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