CHEMISTRY
1 a noble gas
2has one replaceable hydrogen molecule
3 covalent
4Ni
5lactic acid
6 :- basic
7 :pent-2-yne
8H2
9 .25
10 crystallization
11 the addition of a catalyst
12CH3COOCH2CH3
13 TEMPERATURE
14permutit
15 :remove impurities
16
17 increase its strength
18.2
19 .82
20.27.3
21 solubility
22 nylon and artificial rubber
23 methylbenzene
24 KClO2
25 :-COLOUR
26 :-complex
27 :-positive
28 :- hydroxyl group
29 :- petroleum jelly
30 :-potassium heptaoxochromate(VI)
31 :- carbon content
32 attack the respiratory tract of organisms
33it is unreactive
34 5
35O3
36is lighter than air
37 position in the activity series
38calcium hydroxide
39 decreases the temperature
40p-block

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CHEMISTRY
1
rocket fuel
2 112.0DM3
3
saturated
4 they have different numbers of electrons
5 2KI
6 p orbital
7 ethanol
8 297.3cm
9
10 :- the basicity of CH3COOH is
CORRECT ANSWER =
1
11
12
0.3F
13Ccl4
14iron
15 :

esterification
16
CALCIUM HYDROXIDE
17
zn2+ will be discharged and deposited at the cathode
CH3COOCH3
19propanoic acid
20 3
21crystallization
22
23
spring water
24
XY2
25
ethene
26
R
27
aeration
28
halogen
29
>O
30
31
28 degrees
32
cracking
33 :-
C3H7COOH
34 :-
1-chloro-2,2-dimethylpropane
35 32
36Ca+2H2O—–>Ca(OH)2+H2
37CARBON(II)OXIDE
38 [NH3]2/[N2][H2]3
39 N2O
40 AMPHOTERIC