Question

119
Stage 1
Germinators
Fill in the blanks
Water on
states.
2 AT 100 °C, water changes to steam. This is called
1 When steam cools it changes back to water. This
The process of seeping of water into the ground
electric current through it. This is called
Below 4 YC water starts
bodies when liquid petroleum leaks into water
bodies from vehicles, vessels or pipelines as a
result of accident or by human activity.
Earth is found in all the
is the contamination of water
is called
is the main source of groundwater.
+
5
called
6. A compound
can be broken down by passing
II. Write T for true or F for false statements.
1. Permanent hardness of water can be removed
using washing soda.
2. Sulphur and sodium can cause hardness of water.
3. A body floats on water when its density is less
than that of water.
4. River water contains freshwater.
5. Plants require water for photosynthesis.
6. Plants release water in air through the process
of transpiration.
7. Oil spill does not cause water pollution.
8. Distilled water can be used for drinking.
9. Pure water is not a good conductor of electricity.
10. Saline water contains dissolved salts.
11. We can remove the temporary hardness of
water by boiling.
12. Washing soda can only be used to remove
temporary hardness of water.
13. Permanent hardness can be removed by the
Permutit process.
14. We can easily dye clothes using hard water.
15. Chlorine can kill germs in water.
8.
water has high mineral content,
10.
9.
hence unfit for drinking.
harvesting methods should be
adapted for the conservation of rainwater
for different purposes and for raising the
groundwater level
fumtor in houses and​

Answer 1

Answer:

119Stage 1. Germinators Fill in the blanks. Water on states. 2 AT 100 °C, water changes to steam. This is called 1 When steam cools it ...