Chemistry Sulphur dioxide bleaches colouring matter by : Oxidation Reduction Dehydration Decomposition Oxidation Reduction Dehydration Decomposition ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Glucose Lactic acid Uric acid Urea Glucose Lactic acid Uric acid Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2 into nitrate Ammonia into N2 N2into nitrite Ammonia into nitrite N2 into nitrate Ammonia into N2 N2into nitrite Ammonia into nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Chlorine Bromine Flourine Iodine Chlorine Bromine Flourine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 0.12 gms 12 gms 120 gms 1.2 gms 0.12 gms 12 gms 120 gms 1.2 gms ANSWER DOWNLOAD EXAMIANS APP
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