6. Which of these changes occur on heating water?
(1) Water to ice (2) Water to water vapour
(3) Water vapour to water (4) All of them
7. What word means the change of state from liquid to a gas?
(1) Evaporation (2) Condensation (3) Eutrophication (4) Precipitation
8. What are the three states of water on Earth?
(1) Groundwater, lakes, and clouds (2) Liquid water, frozen water, and water vapour
(3) Gas, steam, and vapour (4) Groundwater, oceans, and ice
9. Boiling point of water is:
(1) 100ºC (2) 99ºC (3) 101ºC (4) 0ºC
10. Melting point of water is:
(1) 0°C (2) 4°C (3) –1°C (4) 20°C
11. Pure water is a ………………. conductor of heat:
(1) bad (2) good (3) super (4) none of these
Answers
Answer:
6. Which of these changes occur on heating water?
(1) Water to ice (2) Water to water vapour
(3) Water vapour to water (4) All of them
7. What word means the change of state from liquid to a gas?
(1) Evaporation (2) Condensation (3) Eutrophication (4) Precipitation
8. What are the three states of water on Earth?
(1) Groundwater, lakes, and clouds (2) Liquid water, frozen water, and water vapour
(3) Gas, steam, and vapour (4) Groundwater, oceans, and ice
9. Boiling point of water is:
(1) 100ºC (2) 99ºC (3) 101ºC (4) 0ºC
10. Melting point of water is:
(1) 0°C (2) 4°C (3) –1°C (4) 20°C
11. Pure water is a ………………. conductor of heat:
(1) bad (2) good (3
plz make me brainlisttt ...
plzzz
11》pure water is a (bad) conductor of heat and electricity
10》melting point of water is 0 degree c