HARD
9th ICSE
IMPORTANT
Earn 100

The formula of compound represents

50% studentsanswered this correctly

Important Questions on The Language of Chemistry

HARD
9th ICSE
IMPORTANT
The correct chemical formula of aluminum oxide is
HARD
9th ICSE
IMPORTANT

The chemical reaction, 

NH42Cr2O7N2+4H2O+Cr2O3 is an example of 

EASY
9th ICSE
IMPORTANT
The chemical symbol of sodium is Na. Write its Latin name.
MEDIUM
9th ICSE
IMPORTANT
If the symbol for cobalt (Co) were written as CO, what would be incorrect with it?
MEDIUM
9th ICSE
IMPORTANT
What is the chemical symbol for nitrogen gas?
MEDIUM
9th ICSE
IMPORTANT
What is the chemical symbol for hydrogen gas?
MEDIUM
9th ICSE
IMPORTANT
What is the combining capacity of an element called?
HARD
9th ICSE
IMPORTANT
An element 'Y' shows variable valencies of 3 and 5. Write the formulae of its oxides.