Question

Mark true or false Jaldi!
i. Opaque is a material through which you are not able to see. ________
ii. Insoluble substances mix in water. ________
iii. Soft materials can be compressed or scratched. ________
iv. Brick is opaque, while butter paper is translucent. ________
v. Salt does not dissolve in water. ________
vi. All gases are non–lustrous. ________
vii. Oil mixes with water. ________
viii. Stone settles down in water. ________
ix. Vinegar does not mix with water. ________
x. Iron is harder than sponge. _____
xi. Air is transparent. ________
xii. Glycerine is not soluble in water. ________
xiii. Diamonds, gems and pearls are lustrous. ________
xiv. Honey floats on the surface of water. ________
xv. Alcohol is immiscible with water. ________
xvi. Diamond is the hardest natural occurring substance. ________

Answer 1

Answer:

1. true

2. false

3. true

4. true

5. false

6. true

7. false

8. true

9. false

10. true

11. true

12. false

13. true

14. false

15. false

16. true