Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>ADDITIONAL QUESTIONS>Q 14

HARD

11th CBSE

IMPORTANT

Earn 100

Nitrogen forms a number of oxides. Write their formulae and give their names. Giving appropriate calculations, explain the law that follows from it.

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 15

N

and

O

combine with

H

to form

{NH}_{3}

and

H_{2} O

and they combine with each other to form

{NO}_{2}

. Which law is illustrated ? Explain briefly.

HARD

11th CBSE

IMPORTANT

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

Define Gay Lussac’s law gaseous volumes. Explain with one suitable example.

HARD

11th CBSE

IMPORTANT

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

What are the postulates of Dalton’s Atomic Theory? How do the laws of chemical combination follow from it?

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11th CBSE

IMPORTANT

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

What are the postulates of Modern Atomic Theory?

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11th CBSE

IMPORTANT

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

Which isotope is used as a reference on the atomic scale? What is one amu or one ‘

u

’?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>ADDITIONAL QUESTIONS>Q 20

Why atomic mass is an average value? Explain with a suitable example.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>ADDITIONAL QUESTIONS>Q 21

How is mole related to number of atoms/molecules

?

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>ADDITIONAL QUESTIONS>Q 21

How is mole related to mass of the substance

?