Chemistry
Bayer's reagent is

Acidified potassium permanganate
Bromine water
Hydrogen peroxide
Alkaline potassium permanganate

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Ammonial is a mixture of

Aluminium powder and ammonium sulphate
Aluminium powder and ammonium chloride
Aluminium powder and ammonium nitrate
Aluminium powder and potassium nitrate

ANSWER DOWNLOAD EXAMIANS APP