Chemistry Which one of the following elements is used in the manufacture of safety matches? Sodium Silicon Phosphorus Graphite Sodium Silicon Phosphorus Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 1 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Ethane Acetylene Methane Ethylene Ethane Acetylene Methane Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Molten zinc Solid zinc Molten tin Gaseous zinc Molten zinc Solid zinc Molten tin Gaseous zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commonly used antiseptic 'Dettol' is a mixture of O-cresol + terepineol Phenol + terepineol Chloroxylenol + terepineol O-chlorophenoxylenol + terepineol O-cresol + terepineol Phenol + terepineol Chloroxylenol + terepineol O-chlorophenoxylenol + terepineol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Helium Sulphur dioxide Nitrogen Carbon dioxide Helium Sulphur dioxide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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