Chemistry The formula C6H5-CO-CH3 represents Phenyl acetate Acetophenone Acetone Acetic acid Phenyl acetate Acetophenone Acetone Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Automobile exhaust All of these Forest fire Bacterial action in soil and swamp areas Automobile exhaust All of these Forest fire Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by Increased transportation activity Rapid industrialization All of these Deforestation Increased transportation activity Rapid industrialization All of these Deforestation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin B Vitamin D Vitamin C None of these Vitamin B Vitamin D Vitamin C None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Magnesium Potassium Aluminium Beryllium Magnesium Potassium Aluminium Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol react chemically 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 The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are miscible with each other ANSWER DOWNLOAD EXAMIANS APP