Chemistry Tetra ethyle lead (TEL) is An antiknock compound An antioxidant A catalyst in burning fossil fuel A reductant An antiknock compound An antioxidant A catalyst in burning fossil fuel A reductant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O CaCl2 PbCl2 CuS Zn(OH)2 CaCl2 PbCl2 CuS Zn(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is aspirin nicotine caffeine chlorophyll aspirin nicotine caffeine chlorophyll ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vitamins is generally excreted by human in urine? None of these Vitamin C Vitamin D Vitamin B None of these Vitamin C Vitamin D Vitamin B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO Chlorogluorocarbons NO2 SO2 NO Chlorogluorocarbons NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Krypton Argon Nitrogen Oxygen Krypton Argon Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP