tnpsc group ii- a - tnpscjob.com · page 13 of 15 hcl ... page 14 of 15
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TNPSC GROUP II- A X
Light of Asia
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NH 47 A ) NH 7 NH 7 A NH 47
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A B B C CA
B
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P Q
P
AB BC
158.A B C D E
C AC BE C D?
B C D E
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A R
A R A R ARA R
NH+4 + OH- N2 + H2O NO2 + H2O N2 + H2
Cr0 Cr3+ Cr2+ Cr6+
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HCL
HCOOH CH3COOH C3H7COOH C2H5COOH
186.B = 2 BALL = 27BOOK
A -
H P B M
2.48x 2.48 – 1.52 x 1.52 0.96
½
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Rough work