eVidyarthi

MCQ General Science Chapter 17 Class 8 Maharashtra Board

MCQ For All Chapters – General Science Class 8

Man made Materials

1. What is a key characteristic of thermosetting plastic?

Question 1 of 20

2. Why is glass considered non-degradable?

Question 2 of 20

3. Which type of plastic is used for manufacturing lenses?

Question 3 of 20

4. What is the primary use of lead glass?

Question 4 of 20

5. Why does glass crack when cooled quickly?

Question 5 of 20

6. What is the purpose of adding discarded glass in glass production?

Question 6 of 20

7. Which of the following is a use of thermocol in daily life?

Question 7 of 20

8. What is a disadvantage of using thermocol plates in mass feasts?

Question 8 of 20

9. Which oxide is mixed to produce bluish-green glass?

Question 9 of 20

10. What is the main ingredient in borosilicate glass besides sand?

Question 10 of 20

11. Why is plastic considered an environmental pollutant?

Question 11 of 20

12. What is the primary function of optical glass?

Question 12 of 20

13. What happens to the glass mixture after heating to 1500 ºC?

Question 13 of 20

14. Which material is used in microwave oven cookware?

Question 14 of 20

15. What is a health risk for workers in thermocol factories?

Question 15 of 20

16. Which type of glass is used to store medicines?

Question 16 of 20

17. What is the role of magnesium oxide in glass production?

Question 17 of 20

18. Why is silica glass resistant to acid and alkali?

Question 18 of 20

19. What is a common use of PVC mentioned in the document?

Question 19 of 20

20. Which of the following is a processed glass type?

Question 20 of 20


 

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