Chemistry Crash Course MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Exercise 1>Q 33

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IMPORTANT

Earn 100

Which of the following has the maximum number of atoms?

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Important Questions on Some Basic Concepts of Chemistry

HARD

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Chemistry Crash Course MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Exercise 1>Q 34

The number of sulphur atoms present in

0.2

moles of

S_{8}

molecule is _________________________.

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Chemistry Crash Course MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Exercise 1>Q 35

The ratio of masses of oxygen and nitrogen in a particular gaseous mixture is

1 : 4

. The ratio of their number of molecules is

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Chemistry Crash Course MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Exercise 1>Q 36

The weight of

112 mL

of oxygen at

NTP

on liquefaction would be

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Chemistry Crash Course MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Exercise 1>Q 37

The number of moles of sodium oxide in

620 g

is _______.

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Chemistry Crash Course MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Exercise 1>Q 38

The number of water molecules in

1

litre of water is __________

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Chemistry Crash Course MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Exercise 1>Q 39

The number of gram-atom of oxygen in

6.02 \times 10^{24}

of

CO

molecule is

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Chemistry Crash Course MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Exercise 1>Q 40

A mixture contains $5.4 g$ of $Al$ , $1.2 g$ of $Mg$ and $4.6 g$ of $C_{2} H_{5} OH$ . The ratio of their moles is

(Atomic weights of $Al = 27 u, Mg = 24 u, C = 12 u, O = 16 u, H = 1 u$ )

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Chemistry Crash Course MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Exercise 1>Q 41

The number of atoms in $3.2 g$ of oxygen gas is