Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 6

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11th Odisha Board

IMPORTANT

Earn 100

One mole of hydrogen contains $6.023 \times 10^{23}$ atoms.

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Important Questions on Basic Concepts Atoms & Molecules

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11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 7

6.023 \times 10^{23}

molecules of hydrogen weigh

1 gram

. State whether this statement is true or false.

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11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 8

$2 grams$ molecular mass of a substance contain $2 moles$ .

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11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 9

$1 mole$ of chlorine occupies $22.4 mL$ at NTP.

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11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 10

1 mole

of electrons contains

6.023 \times 10^{22}

electrons.

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11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 11

One mole of ${KClO}_{3}$ contains $18.069 \times 10^{23}$ atoms of oxygen.

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11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 12

Molecular mass $= 22.4 litres$ at $27 ° C$ .

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11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 13

Gram molecular volume of any gas at NTP is

22.4 litres

.

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11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 14

One mole of oxygen contains

2 gm

atoms.