Secondary Chemistry>Chapter 3 - Atoms and Molecules>Numerical On Mole And Its Role>Q 14

HARD

9th CBSE

IMPORTANT

Earn 100

Calculate the mass of one billion molecules of water. M $(H_{2} O)$ = 18g/mol.

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 6g of carbon.

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

H_{2} O

.

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

H_{2} {SO}_{4}

.

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

(P_{4})

.

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 ${Al}_{x} O_{y}$ .

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

{CaCO}_{3}

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)