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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
- Which one of the following statements is true about liquids and gases? (Solved)
Which one of the following statements is true about liquids and gases?
A. Liquids have definite volume
B. Gases have definite volume.
C. Liquids have definite shape.
D. Gases have definite shape.
Date posted: July 29, 2019. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- Mary and John were playing on the see-saw as shown in the diagram below.
In order to balance on the see-saw(Solved)
Mary and John were playing on the see-saw as shown in the diagram below.
In order to balance on the see-saw
A. John should move towards the pivot
B. Mary should move away from pivot
C. Move the pivot towards John
D. Move the pivot towards Mary.
Date posted: July 29, 2019. Answers (1)
- Which one of the following is an advantage of hard water? (Solved)
Which one of the following is an advantage of hard water?
A. Saves soap during washing.
B. Lathers easily with soap.
C. Forms scum with soap.
D. Suitable for drinking.
Date posted: July 29, 2019. Answers (1)
- In which one of the following activities is water used in industries?(Solved)
In which one of the following activities is water used in industries?
A. Cleaning tools and equipment.
B. Preparation of soft drinks.
C. Washing cars.
D. Watering plants.
Date posted: July 29, 2019. Answers (1)
- The diagram below represents a beak of a certain bird.
The bird represented is(Solved)
The diagram below represents a beak of a certain bird.
The bird represented is
A. filter feeder
B. grain eater
C. nectar feeder
D. fish eater.
Date posted: July 29, 2019. Answers (1)
- Which one of the following is a characteristic of amphibians? (Solved)
Which one of the following is a characteristic of amphibians?
A. Lay their eggs on land.
B. Live partly in water.
C. Have moist skin with scales.
D. Adults breathe through gills.
Date posted: July 29, 2019. Answers (1)
- Which one of the following groups consists only of field pests?(Solved)
Which one of the following groups consists only of field pests?
A. Weavils, aphids and weaver birds.
B. Aphids, weaver birds and white ants
C. Weavils, white ants and stalkborer.
D. Aphids, weaver birds and stalkborer.
Date posted: July 29, 2019. Answers (1)
- The following are some adaptations of plants that grow in wet environment except having (Solved)
The following are some adaptations of plants that grow in wet environment except having
A. Large flat leaves
B. Leaves with waxy upper surface
C. Thick leaf cuticle
D. An increased number of stomata.
Date posted: July 29, 2019. Answers (1)
- In order to make a certain weather instrument, a pupil assembled the following materials: Glass battle, ink, biro pen lube, nails, manilla paper and water....(Solved)
In order to make a certain weather instrument, a pupil assembled the following materials: Glass battle, ink, biro pen lube, nails, manilla paper and water. Which one of the following instrument was the pupil likely to make?
A. Wind vane.
B. Liquid thermometer.
C. Rain gauge.
D. Windsock.
Date posted: July 29, 2019. Answers (1)
- Which one of the following pairs consists of planets with the longest orbits? (Solved)
Which one of the following pairs consists of planets with the longest orbits?
A. Mars and Mercury.
B. Venus and Jupiter.
C. Earth and Saturn.
D. Neptune and Uranus.
Date posted: July 29, 2019. Answers (1)
- The following are sexually transmitted infections except (Solved)
The following are sexually transmitted infections except
A. syphilis
B. gonorrhoea
C. bilharzia
D. chancroid.
Date posted: July 29, 2019. Answers (1)
- A certain person looked healthy and strong but tested positive for HIV/AIDS. In which one of the following stages of HIV/AIDS was the person likely...(Solved)
A certain person looked healthy and strong but tested positive for HIV/AIDS. In which one of the following stages of HIV/AIDS was the person likely to be?
A. Window.
B. Incubation.
C. Symptomatic.
D. Full blown.
Date posted: July 29, 2019. Answers (1)
- The diagram below represents a certain type of human tooth.
The function of the tooth is(Solved)
The diagram below represents a certain type of human tooth.
The function of the tooth is
A. gripping and tearing
B. tearing and grinding
C. crushing and grinding
D. biting and crushing.
Date posted: July 29, 2019. Answers (1)
- In the human body digested food is absorbed in the(Solved)
In the human body digested food is absorbed in the
A. Stomach
B. Large intestines
C. Rectum
D. Small intestines.
Date posted: July 29, 2019. Answers (1)
- 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. Answers (1)
- Which one of the following pairs of materials is suitable for demonstrating the formation of a rainbow when using the sun as a source of...(Solved)
Which one of the following pairs of materials is suitable for demonstrating the formation of a rainbow when using the sun as a source of light?
A. Ruler and mirror.
B. Mirror and water.
C. Mirror and white screen.
D. Glass container and minor.
Date posted: July 29, 2019. Answers (1)
- The following statements are true about energy except (Solved)
The following statements are true about energy except
A. It causes motion
B. It can be conserved
C. It changes from one form to another
D. Is the ability to do work.
Date posted: July 29, 2019. Answers (1)