01.For each of the following
items, choose the most correct answer from the given alternatives and write its
letter beside the item number in your answer sheet.
i)
The only substance that exists in three states of
matter is:
A. Water
B. Hydrogen
C. Cobalt Chloride
D. Copper II sulphate
ii)
Plants lose water to air through:
A. Transpiration
B. Perspiration
C. Sweating
D. Respiration
iii) The process by
which water is converted into vapour or steam is called:
A. condensation
B. Precipitation
C. Transpiration
D. Evaporation
iv)
________ is the simplest way to purify water at
home.
A. Cooling
B. Boiling
C. Filtering
D. Condensing
v)
Water is______
A. Basic
B. Acidic
C. Neutral
D. Both acidic and
basic
Answers:
|
i
|
ii
|
iii
|
iv
|
v
|
|
|
|
|
|
|
02.Why water is not lost around
the globe?
03.Mention three methods of
domestic water purification.
04.Define the following terms
05.Mention five economic
activities of water.
06.List three physical and two chemical
properties of water.
07.List four main parts of the
water cycle.
03. WATER
4/
5
Oleh
uprising scientists
