Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is Oleum None of these Ultraviolet light Dilute H₂SO₄ Oleum None of these Ultraviolet light Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process White phosphorous is stored under water, because It is unstable Its kindling temperature in dry air is very low It does not react with water It is poisonous It is unstable Its kindling temperature in dry air is very low It does not react with water It is poisonous ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C. 250-300 150-200 25 60-70 250-300 150-200 25 60-70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water is due to the presence of calcium & magnesium Carbonate None of these Sulphates & chlorides Bi-carbonates Carbonate None of these Sulphates & chlorides Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process 'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of CO₂ & H₂ CO & H₂ C & H₂ N₂ & H₂ CO₂ & H₂ CO & H₂ C & H₂ N₂ & H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Phosphates Bicarbonates Carbonates Sulphates Phosphates Bicarbonates Carbonates Sulphates ANSWER DOWNLOAD EXAMIANS APP
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