Absorption of heat energy from the surroundings by a liquid or dry ice in the refrigerators. Whatever is in the carbinet cools down gradually as this loss of heat continues.
Kavungya answered the question on March 25, 2019 at 08:45
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Date posted: March 25, 2019. Answers (1)
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Date posted: March 25, 2019. Answers (1)
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The time – temperature graph obtained when ice was heated to its boiling point is given below.
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(ii) Explain why both B and D levelled off?
Date posted: March 25, 2019. Answers (1)
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Date posted: March 25, 2019. Answers (1)
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Date posted: March 25, 2019. Answers (1)
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Date posted: March 25, 2019. Answers (1)
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Name
(a) Cleansing agents for removing these stains from your school dress:
(i) Oily and greasy –
(ii) Blood stains –
(iii) Perspiration stains –
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(c) A solvent for paint –
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Date posted: March 25, 2019. Answers (1)
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Date posted: March 25, 2019. Answers (1)
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Date posted: March 25, 2019. Answers (1)