The correct answer is A. filtering, Use of magnet, evaporation
Filtering to get maize grains and iron filings, use magnet to get iron filings from the maize grains, evaporate to get salt from the solution.
sharon kalunda answered the question on July 29, 2019 at 13:21
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Which one of the following pairs of processes are as a result of increase and decrease in temperature respectively?
(Solved)
Which one of the following pairs of processes are as a result of increase and decrease in temperature respectively?
Increase--------------- Decrease
A. Freezing ----------------condensation
B. Expansion-------------- evaporation
C. Contraction ------------expansion
D. Melting ---------------condensation
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following components of air is used for preservation of soft drinks?
(Solved)
Which one of the following components of air is used for preservation of soft drinks?
A. Carbon dioxide.
B. Nitrogen.
C. Oxygen.
D. Inert gases.
Date posted:
July 29, 2019
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Answers (1)
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The following are methods of maintaining simple tools:
(i) Cleaning after use
(ii) Proper storage
(iii) Sharpening cutting edges
(iv) Proper use of tools.
Which...
(Solved)
The following are methods of maintaining simple tools:
(i) Cleaning after use
(ii) Proper storage
(iii) Sharpening cutting edges
(iv) Proper use of tools.
Which pair consists only of methods for safety from accidents?
A. (ii) and (iv).
B. (i) and (iv).
C. (ii) and (iii).
D. (i) and (iii).
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following materials will not form a shadow when light is shone on it?
(Solved)
Which one of the following materials will not form a shadow when light is shone on it?
A. White paper.
B. Mirror.
C. Glass of a lamp.
D. Sheet of aluminium.
Date posted:
July 29, 2019
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Answers (1)
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To model the solar system, the following materials can be used:
(i) soft board
(ii) clay
(iii) pins
(iv) glue
(v) manila paper.
Which one...
(Solved)
To model the solar system, the following materials can be used:
(i) soft board
(ii) clay
(iii) pins
(iv) glue
(v) manila paper.
Which one of the following materials would be most suitable to use instead of the pins?
A. Wax.
B. Plasticine.
C. Pieces of barbed wire.
D. Pieces of cello tape.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following mixtures can be separated by either picking or sieving?
(Solved)
Which one of the following mixtures can be separated by either picking or sieving?
A. Maize and beans.
B. Rice and sorghum.
C. Maize and millet.
D. Green grams and peas.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following is an example of a harmful animal?
(Solved)
Which one of the following is an example of a harmful animal?
A. Turkey.
B. Donkey.
C. Termite.
D. Dog.
Date posted:
July 29, 2019
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Answers (1)
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The following materials can be used to construct a certain weather instrument:
(i) small plastic bottle
(ii) large plastic bottle
(iii) manila paper
(iv) cello...
(Solved)
The following materials can be used to construct a certain weather instrument:
(i) small plastic bottle
(ii) large plastic bottle
(iii) manila paper
(iv) cello tape.
The weather instrument likely to be constructed is
A. air thermometer
B. wind vane
C. rain gauge
D. liquid thermometer.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following is the most commonly abused drug in Kenya?
(Solved)
Which one of the following is the most commonly abused drug in Kenya?
A. Khat.
B. Glue.
C. Tobacco.
D. Alcohol.
Date posted:
July 29, 2019
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Answers (1)
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In a certain activity, a sample of soil was mixed with water in a transparent container, shaken and allowed to settle. This was to investigate...
(Solved)
In a certain activity, a sample of soil was mixed with water in a transparent container, shaken and allowed to settle. This was to investigate soil
A. drainage
B. fertility
C. composition
D. capillarity.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following methods will mainly conserve soil and not water?
(Solved)
Which one of the following methods will mainly conserve soil and not water?
A. Mulching.
B. Terracing.
C. Cover crops.
D. Gabions.
Date posted:
July 29, 2019
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Answers (1)
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Anaemia and irritation in livestock can be a sign of attack by
(Solved)
Anaemia and irritation in livestock can be a sign of attack by
A. liver flukes
B. tapeworms
C. tsetse flies
D. round worms.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following components of air is correctly matched to its percentage?
(Solved)
Which one of the following components of air is correctly matched to its percentage?
Oxygen -Inert gases
A. 21 -78
B. 0.97 -0.03
C. 21 -0.97
D. 0.03 -78
Date posted:
July 29, 2019
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Answers (1)
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Which is the last stage in energy transformation when a kerosene stove is burning?
(Solved)
Which is the last stage in energy transformation when a kerosene stove is burning?
A. Chemical.
B. Heat.
C. Light.
D. Sound.
Date posted:
July 29, 2019
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Answers (1)
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The property of light used in the working of a lamp in a room is that light
(Solved)
The property of light used in the working of a lamp in a room is that light
A. Travels in a straight line
B. Spreads in all directions
C. Bends as it passes from one media to another
D. Forms shadows with opaque objects.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following materials works in the same way as frosted glass?
(Solved)
Which one of the following materials works in the same way as frosted glass?
A. Sky light.
B. Mirror.
C. Clear water.
D. Car windscreen.
Date posted:
July 29, 2019
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Answers (1)
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The diagram below illustrates a jiko.
It is an improved jiko because the part labelled
(Solved)
The diagram below illustrates a jiko.
It is an improved jiko because the part labelled
A. J takes less charcoal.
B. K is made of clay
C. L is metallic.
D. M is closed.
Date posted:
July 29, 2019
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Answers (1)
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A child who appears old with a wrinkled face is also likely to.
(Solved)
A child who appears old with a wrinkled face is also likely to.
A. lack blood
B. have swollen abdomen
C. have bow legs
D. cry often.
Date posted:
July 29, 2019
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Answers (1)
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Large furrows in the soil indicate
(Solved)
Large furrows in the soil indicate
A. Rill erosion
B. Gulley erosion
C. Splash erosion
D. Sheet erosion.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following pairs of plants stores food in the roots?
(Solved)
Which one of the following pairs of plants stores food in the roots?
A. Irish potato and cassava.
B. Cassava and carrot.
C. Onion and carrot.
D. Irish potato and onion.
Date posted:
July 29, 2019
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Answers (1)