Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin C Vitamin B None of these Vitamin D Vitamin C Vitamin B None of these Vitamin D ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Beryllium Ultra pure carbon Silicon Tantalum Beryllium Ultra pure carbon Silicon Tantalum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peptization is a process of Protection of colloidal solution Dispersing precipitates into colloidal solution Precipitation of colloidal particles Purification of colloids Protection of colloidal solution Dispersing precipitates into colloidal solution Precipitation of colloidal particles Purification of colloids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. ANSWER DOWNLOAD EXAMIANS APP
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