MEDIUM
9th ICSE
IMPORTANT
Earn 100

What is the effect of impurities present in water on the melting point and boiling point of water?

Important Questions on Water

MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 3 - Water>EXERCISE 3(A)>Q 7
How do fishes and aquatic animals survive in winter when the pond gets covered with thick ice.
MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 3 - Water>EXERCISE 3(A)>Q 8
The properties of water are different from the properties of the elements of which it is formed. Discuss.
MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 3 - Water>EXERCISE 3(A)>Q 9
How is aquatic life benefited by the fact that water has maximum density at 4 0C?
EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 3 - Water>EXERCISE 3(A)>Q 10
What are your observations and conclusions and when tap water is boiled and evaporated in a watch glass?
MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 3 - Water>EXERCISE 3(A)>Q 11
What is the importance of dissolved salts in water?
MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 3 - Water>EXERCISE 3(A)>Q 12
State the importance of the solubility of CO2 and O2 in water?
MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 3 - Water>EXERCISE 3(A)>Q 13
How is air dissolved in water different from ordinary air?
MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 3 - Water>EXERCISE 3(A)>Q 14

Identify A, B, C, and D; the first one is done for you.

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