(i) Improvement of combustion of fuel in petrol and diesel engine.
(ii)Introduction of better processing of fuels to make them free from sulphur compounds.
(iii) Introduction of better and more efficient filter systems in industries.
(iv) Introduction of smokeless solid fuels or fuels like hydrogen.
Kavungya answered the question on March 25, 2019 at 09:29
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What gases are a common pollutant in the atmosphere?
Date posted:
March 25, 2019
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Describe an experiment to investigate the “active part of air”.
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March 25, 2019
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1.(a) List some methods used to prevent rusting.
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Date posted:
March 25, 2019
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March 25, 2019
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Why is there any increase when a metal like magnesium is burned in air?
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March 25, 2019
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Describe an experiment to show that Carbon dioxide is available in the atmosphere.
Date posted:
March 25, 2019
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What evidence is there to show that there is water vapour in the air?
Date posted:
March 25, 2019
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Date posted:
March 25, 2019
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Date posted:
March 25, 2019
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What principle do refrigerators work on?
Date posted:
March 25, 2019
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Briefly explain how ice-cream vendors use solid carbon dioxide (dry ice) to keep the ice-cream frozen.
Date posted:
March 25, 2019
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(Solved)
Using Kinetic theory of matter explain condensation process.
Date posted:
March 25, 2019
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(Solved)
Why is that gases don’t have definite shape?
Date posted:
March 25, 2019
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(Solved)
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Date posted:
March 25, 2019
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(Solved)
The following are some of the methods used to collect gases. With reasons state which method is suitable for each of the following gases, Ammonia, carbon dioxide, oxygen.
Date posted:
March 25, 2019
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Explain sublimation using Kinetic theory of matter.
Date posted:
March 25, 2019
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What does Kinetic theory of matter state?
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March 25, 2019
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What is the difference between a compound and a mixture?
Date posted:
March 25, 2019
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Distinguish between physical and chemical changes.
Date posted:
March 25, 2019
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(Solved)
Describe briefly how filtration is applied industrially.
Date posted:
March 25, 2019
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