EASY
9th CBSE
IMPORTANT
Earn 100

Identify the cation and anion present in the compound potassium dichromate.

Important Questions on Atoms and Molecules

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 10
Name two monoatomic gases.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 11
What is meant by the term molar mass?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 12
What is meant by the term chemical formula?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 13

Write the numerical value of 'x' in the chemical formula for zinc phosphate given:

Znx(PO4)2

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 13

Write the numerical value of 'x' in the chemical formula for Iron(III) carbonate given:

Fex(CO3)3

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 14
How many atoms are present in SO2 molecule.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 14
How many atoms are present in SO42- ion?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 15
What is valency?