Question

(i) Zinc sulphide + oxygen --zinc oxide + sulphur dioxide
valu sulphate + hydrochion
(1) Aluminium carbide + water -> aluminium hydroxide + methane
no Iron pyrites (Fes,) + oxygen - ferric oxide + sulphur
(1) Potassium permanganate + hydrochloric acid -> Potassium chloride
m) Aluminium sulphate + sodium hydroxide → sodium sulphate + sodium me
(n) Aluminium + sodium hydroxide + water sodium meta aluminate + hydros
(0) Potassium dichromate + sulphuric acid → potassium sulphate + chromium
p) Potassium dichromate + hydrochloric acid → potassium chloride + chromi
q Sulphur + nitric acid → sulphuric acid + nitrogen dioxide + water
sodium hydro
T) Sodium chloride + manganese dioxide + sulphuric acid
+ manganese
a) Define atomic mass unit.
b) Calculate the molecular mass of the following:
(i) Na,SO 10H10 (i) (NH4)2CO, (ii) (NH, CO
hr-12 N = 14 Mo = 24.5​

Answer 1

Answer:

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