Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Exercises>Q 1

MEDIUM

11th Maharashtra Board

IMPORTANT

Earn 100

Which of the following has maximum number of molecules ?

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Important Questions on Some Basic Concepts of Chemistry

MEDIUM

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Exercises>Q 1

How many $g$ of $H_{2} O$ are present in $0.25$ mol of it?

MEDIUM

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Exercises>Q 1

Which of the following has the largest number of atoms?

HARD

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Exercises>Q 2

Point out the difference between

12 g

of carbon and

12 u

of carbon.

MEDIUM

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Exercises>Q 2

How many grams does an atom of hydrogen weigh?

MEDIUM

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Exercises>Q 2

Calculate the molecular mass of

{NH}_{3}

in

u

.

MEDIUM

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Exercises>Q 2

Calculate the molecular mass of

{CH}_{3} COOH

in

u

.

MEDIUM

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Exercises>Q 2

Calculate the molecular mass of

C_{2} H_{5} OH

in

u

.

EASY

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 1 - Some Basic Concepts of Chemistry>Exercises>Q 2

How many particles are present in $1$ mole of a substance ?