05a Physical and Chemical Changes
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SPM Form 4 Science Chapter 5
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Question 1 of 7
1. Question
1 pointsWhich of the followings are true about physical change?
I. Reversible and temporary
II. No change in chemical properties
III. New substance formed
IV. No change in the mass of the substanceCorrect
Well done! You are correct.
Incorrect
The correct answer is “I, II and IV Only”.
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Question 2 of 7
2. Question
1 pointsWhich of the followings are physical change
I. Sublimation of ammonium salt
II. Combustion of alcohol
III. Rusting of iron nail
IV. Dissolving of table salt in waterCorrect
Well done! You are correct.
Incorrect
The correct answer is “I and IV Only”.
-
Question 3 of 7
3. Question
1 pointsWhich of the followings are true about chemical change?
I. Irreversible and permanent
II. Involving release or absorption of energy
III. New substance formed
IV. Change in chemical propertiesCorrect
Well done! You are correct.
Incorrect
The correct answer is “I, II, III and IV”.
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Question 4 of 7
4. Question
1 pointsWhich of the followings are chemical change
I. Crystalisation of salt from its solution
II. Formation of snow
III. Photosynthesis
IV. Neutralization between acid and alkaliCorrect
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Incorrect
The correct answer is “III and IV only”.
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Question 5 of 7
5. Question
1 pointsWhich of the followings involve chemical change
I. Heating of limestone
II. Heating water
III. Heating a mixture of iron and sulphur
IV. Heating sodium in airCorrect
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Incorrect
The correct answer is “I, III and IV only”.
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Question 6 of 7
6. Question
1 points
The figure shows the reaction between zinc and dilute sulphuric acid. What is the gas liberated?
Correct
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Incorrect
The correct answer is “Hydrogen”.
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Question 7 of 7
7. Question
1 pointsWhich of the following is an example of a physical change?
Correct
Well done! You are correct.
Incorrect
The correct answer is “A piece of iron is tempered to make a knife”.