TRUE / FALSE

Questions

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6 questions · timed · auto-graded

Question 11 Mark

Aquatic animals like fish use oxygen from the atmosphere for respiration.

Answer

False. Aquatic animals like fish use oxygen from the water for respiration.

Question 21 Mark

Alcohol is immiscible in water whereas petrol is miscible in water.

Answer

False. Alcohol is miscible water whereas petrol is immiscible in water.

Question 31 Mark

Chemically pure water is called distilled water.

Answer

True.

Question 41 Mark

Ice at 0°C has a lower density than water at 4°C and hence it floats on water.

Answer

True.

Question 51 Mark

Pure water has its maximum density at 0°C.

Answer

False. Pure water has its maximum density at 4°C.

Question 61 Mark

Increase in pressure decreases the boiling point of water.

Answer

False. Increase in pressure increases the boiling point of water.

TRUE / FALSE - CHEMISTRY STD 7 Questions - Vidyadip

CHEMISTRY TRUE / FALSE