Question

9.
Atomic weight of X and Yare 30 and 25 If its oxidation number are 42 and 3 respectiva
d) 140
c) 135
b) 55
2) 110
10.
Calculate the amount of Nitrogen required to produce 1000. g of ammonia in the
d) 140.00
a) 700g
b) 823528 c) 820g
Calculate the weight of organ formed by heating 108.8 of NO
2 16g
b) 238
c) 32g
11.
d) 45g
Calculate the percentage composition of H. in H.SO.
c) 3.49
d) 97.96%
13
Find abcdef alas-0-HO-
a) 42.425.2 b) 442,25.2
Na SO, + b NaOH
c) 24.2.42,5
SO,
d) 2.2.1.1.4.1
6 HNO, means
2 6 Ninc acid molecules
c) 18 Ninc acid molecules
b) 6 Nitric acid atoms
d) 18 Nitric acid atoms
15.
Number of atoms of Onge in one molecule o aluminium sulphate is:
b) 4
22​

Answer 1

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