HARD
9th CBSE
IMPORTANT
Earn 100

Calculate the amount of moles in 6g of carbon.

Important Questions on Atoms and Molecules

HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 3 - Atoms and Molecules>Numerical On Mole And Its Role>Q 15
Calculate the amount of moles in 9.9g of H2O.
HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 3 - Atoms and Molecules>Numerical On Mole And Its Role>Q 15
Calculate the amount of moles in 9.8g H2SO4.
HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 3 - Atoms and Molecules>Numerical On Mole And Its Role>Q 15
Calculate the amount of moles in 100g of phosphorous P4.
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 3 - Atoms and Molecules>Questions as per the Guidelines of CBSE>Q 1
Write the names of the elements present in potassium sulphate.
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 3 - Atoms and Molecules>Questions as per the Guidelines of CBSE>Q 2

Write the molecular formula of aluminium oxide AlxOy.

The value of x and y in the formula can be-

A. x = 1, y = 2

B. x = 2, y = 3

C. x = 3, y = 2

"Enter your correct answer as A, B or C."

EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 3 - Atoms and Molecules>Questions as per the Guidelines of CBSE>Q 3
CaCO3 is the formula of _____.
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 3 - Atoms and Molecules>Questions as per the Guidelines of CBSE>Q 4
The elements present in sodium bicarbonate are sodium, carbon, _____ and oxygen. (hydrogen/ boron)
MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 3 - Atoms and Molecules>Questions as per the Guidelines of CBSE>Q 5
Which one has more mass 1 mole of hydrogen gas or 0.20 mole of nitrogen gas?