II.
Answer the following questions :
8x1=8
9.
Plane mirror is not used as rear view mirror for vehicles. Why?
10. Name the plant hormones found in ripening fruit and wilting leaf.
11. Balance the following chemical equations
HgS + 02 → HgO + SO 2
i) Hgo → Hg +02.
12. What is dispersion of light?
13.
State modern periodic law.
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Answer:
11
2Hg+O2-->2HgO
12
Splitiing of white light into its component colours (vibgyor) is called dispersion
Explanation:
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