HARD
6th CBSE
IMPORTANT
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Identify the false statement among the following.

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Important Questions on Water-A Wonder Liquid

MEDIUM
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 11 - Water-A Wonder Liquid>PRACTICE QUESTIONS (COMPETITION WING)>Q 8
Which among the following is not an application of dissolved gases in water?
MEDIUM
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 11 - Water-A Wonder Liquid>PRACTICE QUESTIONS (COMPETITION WING)>Q 9
Which among the following is not a sterilization method of water?
EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 11 - Water-A Wonder Liquid>PRACTICE QUESTIONS (COMPETITION WING)>Q 10
Which among the following process is not involved in water cycle?
HARD
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 11 - Water-A Wonder Liquid>PRACTICE QUESTIONS (COMPETITION WING)>Q 11
Calculate the heat required to convert 250 g of ice into water at the same temperature (0°C).
HARD
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 11 - Water-A Wonder Liquid>PRACTICE QUESTIONS (COMPETITION WING)>Q 12
50 g of pure water is taken at 20°C. What is the amount of heat required to raise its temperature to 80°C?
MEDIUM
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 11 - Water-A Wonder Liquid>PRACTICE QUESTIONS (COMPETITION WING)>Q 13
Some amount of purple coloured potassium permanganate is added to a beaker of water and stirred. How can you separate the component from the above mixture? Is it possible to recover back both the components? Explain.
HARD
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 11 - Water-A Wonder Liquid>PRACTICE QUESTIONS (COMPETITION WING)>Q 14
The solubility of a certain substance does not change with temperature. How can you make an unsaturated solution of such substance saturated?
MEDIUM
6th CBSE
IMPORTANT
Pearson IIT Foundation Science>Chapter 11 - Water-A Wonder Liquid>PRACTICE QUESTIONS (COMPETITION WING)>Q 15
The solubility of a certain substance is 40 at 25°C. What does it mean?