Question

3.
An example for electrophile
(a) AICI,
(b) NH3
(c)
CN
(d)
None
4.
Dehydration of alcohol is alan
(a) addition reaction
(b) subsitution reaction
(c)
elimination reaction
(d) polymerisation reaction
5.
Which of the following law governs photochemical
reaction?
(a)
Henry's law
(b) Stark-Einstein law
(d) Faraday's law
(C)
Raoult's law
6.
The emission of light from a fire fly is due to
(a)
fluorescence
(b) phosphorescence
(C)
thermoluminescence
(d)
bioluminescence
7.
PVC is prepared from
(a) ethylene
(b)
vinyl chloride
(c)
adipic acid
(d) phenol​

Answer 1

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