Naphthalene is soluble in water.

Important Questions on Ionic and Covalent Bonding

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 9 - Ionic and Covalent Bonding>EXERCISE>Q 8

Ethylene molecule contains a double bond.

MEDIUM

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 9 - Ionic and Covalent Bonding>EXERCISE>Q 9

Electro valency of iron in ferric chloride is $+3$.

MEDIUM

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 9 - Ionic and Covalent Bonding>EXERCISE>Q 10

Water is polar but ammonia is non-polar.

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 9 - Ionic and Covalent Bonding>EXERCISE>Q 11

Both ammonia and carbon dioxide are polar. 

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 9 - Ionic and Covalent Bonding>EXERCISE>Q 12

Both carbon dioxide and methane are non-polar.

HARD

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 9 - Ionic and Covalent Bonding>EXERCISE>Q 1

Explain the formation of oxygen molecule.

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 9 - Ionic and Covalent Bonding>EXERCISE>Q 2

What do you understand by the term ionic bond?

HARD

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 9 - Ionic and Covalent Bonding>EXERCISE>Q 3

Draw the electron dot structure of ammonia molecule.