Free Exam: Session3_25HKISOHR_Chemistry_Primary6
Number of Questions in Test: 25
Number of Questions in Preview: 5
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[size=4]Differentiate between physical and chemical changes.[/size]
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| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 2
[size=4]State the law of conservation of mass with an example. [/size]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 3
[size=4]A physical change occurs when a substance _____. [/size]
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| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 4
[size=4]A student notices that sugar, when heated over a flame, turns black. How does the student know that a new substance is being formed?[/size]
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| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 5
[size=4]Which of the following is a clue that a chemical change has occurred?[/size]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |