EASY
6th ICSE
IMPORTANT
Earn 100

Define chemical formula.

Important Questions on Elements, Compounds, Symbols and Formulae

EASY
6th ICSE
IMPORTANT
Why are symbols and formulae of substances important?
EASY
6th ICSE
IMPORTANT
Mention three gaseous elements and write their molecular formulae.
EASY
6th ICSE
IMPORTANT
State the information obtained from the formula of the compound.
EASY
6th ICSE
IMPORTANT

State the difference between the following.

2H and H2

EASY
6th ICSE
IMPORTANT

State the difference between the following.

H2O and 3H2O

EASY
6th ICSE
IMPORTANT
State the number of each element, present in C6H12O6. Also name the compound.
EASY
6th ICSE
IMPORTANT
State the number of each element, present in H2SO4. Also name the compound.
EASY
6th ICSE
IMPORTANT
State the number of each element, present in HNO3. Also name the compound.