EASY
7th CBSE
IMPORTANT
Earn 100

Write the chemical formula of

Aluminium oxide

Important Questions on Elements, Compounds and Chemical Equations

EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 6 - Elements, Compounds and Chemical Equations>Assess>Q 1

Write the chemical formula of Calcium oxide.

EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 6 - Elements, Compounds and Chemical Equations>Assess>Q 2
Write the name of the chemical compound represented by the formula CaCl2 
EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 6 - Elements, Compounds and Chemical Equations>Assess>Q 1

Write the chemical formula for the following compound 

Ammonium sulphate

EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 6 - Elements, Compounds and Chemical Equations>Assess>Q 1

Write the chemical formula for the following compound 

Calcium oxide

EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 6 - Elements, Compounds and Chemical Equations>Assess>Q 1

Write the chemical formula for the following compound 

Aluminium phosphate

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 6 - Elements, Compounds and Chemical Equations>Assess>Q 1
Write a balanced chemical equation for the reaction of hydrogen with oxygen to produce water.
EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 6 - Elements, Compounds and Chemical Equations>Assess>Q 2

Balance the following chemical reaction:

AgCl(s)→Ag(s)+Cl2(g)

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 6 - Elements, Compounds and Chemical Equations>Assess>Q 2

Balance the following chemical reaction:

N2+H2→NH3