Chemical Process Which of the following is not required in the manufacture of soda ash by Solvay process? Ammonia Nitric acid None of these Limestone Ammonia Nitric acid None of these Limestone ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical formula of 'salt cake' is Na₂SO₄ MgSO₄ CaSO₄ BaSO₄ Na₂SO₄ MgSO₄ CaSO₄ BaSO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is Ultraviolet light Dilute H₂SO₄ Oleum None of these Ultraviolet light Dilute H₂SO₄ Oleum None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Conversion of SO₂ to SO₃ in Monsanto 4-pass converter is about __________ percent. 100 98 90 80 100 98 90 80 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A mineral is termed as 'ore', if It contains ≥ 40% metal All of these The metal present in it is costly A metal can be economically extracted from it It contains ≥ 40% metal All of these The metal present in it is costly A metal can be economically extracted from it ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrazine (N₂H₄) is used mainly as a/an Rocket fuel Explosive Detergents additive None of these Rocket fuel Explosive Detergents additive None of these ANSWER DOWNLOAD EXAMIANS APP