Chemistry Which one of the following is used as preservative for foodstuff ? Sodium Chloride Picric acid Glycerine Sodium Benzoate Sodium Chloride Picric acid Glycerine Sodium Benzoate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Barium Calcium Strontium Sodium Barium Calcium Strontium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From blue to pink From pink to blue-green From brown to orange-red From brown to blue-black From blue to pink From pink to blue-green From brown to orange-red From brown to blue-black ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Dioxin and benzene Carbon monoxide and nicotine Carbon monoxide and benzene Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and nicotine Carbon monoxide and benzene Carbon monoxide and dioxin ANSWER DOWNLOAD EXAMIANS APP
Chemistry One carat of diamond is equal to 100 mg 150 mg 250 mg 200 mg 100 mg 150 mg 250 mg 200 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Methane and carbon dioxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon monoxide Methane and carbon dioxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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