Define: Gram molecular mass. Give suitable examples.

Important Questions on Some Basic Concepts of Chemistry

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>ADDITIONAL QUESTIONS>Q 16

Define Avogadro’s law. Taking a suitable example, prove that it is not in contradiction with Dalton’s Atomic Theory.

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>ADDITIONAL QUESTIONS>Q 17

Define ‘Avogadro’s Number’ and ‘Mole’. What is their importance?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>ADDITIONAL QUESTIONS>Q 18

Define the terms Solution, Solute and Solvent.

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>ADDITIONAL QUESTIONS>Q 18

Define the different methods used for expressing the concentration of a solution.

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>ADDITIONAL QUESTIONS>Q 19

What are Empirical and Molecular Formulae? How are they related to each other?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>Competition Focus>Q 1

Which of the following is a chemical fertilizer?

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>Competition Focus>Q 2

Which of the following is not a mixture?

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>Competition Focus>Q 3

 $1 \mathrm{mm}$ of $\mathrm{Hg}$ represents a pressure of