Chemistry MCQS for Class 10
The acid which is called king of chemicals.
Acetic acid
Sulphuric Acid
Hydrochloric acid
Nitric Acid
Which one gas is liberated when alkalies react with ammonium salts?
O2
H2
CO2
NH3
A salt always
Dissolves in water
Forms crystals which conduct electricity
Contains water of crystallization
Contain ions
Water of crystallization is responsible for.
Transition points of crystals
Boiling point of crystal
Melting points of crystals2
Shape of crystal
The bond in the product of lewis acid base reaction.
Coordinate covalent
Covalent
Ionic
Metallic
pH of neutral solution is always.
5
7
10
6
If a liquid has a pH of 7 then it must.
Be a solution containing water
Freeze at 0 oC and boil at 100 oC
Be a colourless and odourless liquid
Be natural
Lavoisier named binary compounds of oxygen acids in .
1790
1787
1815
1828
The colour of litmus in a strong basic solution become.
Blue
Yellow
Colourless
Red
Water is a;
strong electrolyte
weak electrolyte
natural compound
non-electrolyte
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