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SAI International School
Competency Based Worksheet
Subject – Chemistry
Chapter – Sorting Materials into Groups
Class- VI
Q. No. Questions
1. Which of these materials float on water?
A. Stone
B. Plastic ball
C. Iron nail
D. Coin
2. Which material is transparent?
A. Wood
B. Paper
C. Glass
D. Metal
3. What is the property of materials that can be grouped as conductors?
A. They allow electricity to pass through them.
B. They do not allow electricity to pass through them.
C. They float in water.
D. They dissolve in water.
4. Copper is used for electrical wiring because
A. It is malleable and soft
B. It is ductile and a good conductor of electricity
C. It is soft and transparent
D. It is rough and a non-conductor of electricity
5. Which of the following is the most ductile material?
A. Glass
B. Steel
C. Gold
D. Iron
Choose the correct option for the following: (For questions- 6 and 7)
a) If both Assertion and Reason are correct and Reason is the correct explanation of
Assertion.
b) If both Assertion and Reason are correct, but Reason is not the correct explanation of
Assertion.
c) If Assertion is correct but Reason is incorrect.
d) If assertion is incorrect but Reason is correct.
e) If Assertion and Reason both are incorrect.