Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetraethyl lead Tetramethyl lead Triethyl lead Trimethyl lead Tetraethyl lead Tetramethyl lead Triethyl lead Trimethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Silver Mercury Aluminium Copper Silver Mercury Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant A fungus An insect A bacterium A seed plant A fungus An insect A bacterium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by Rapid industrialization Increased transportation activity All of these Deforestation Rapid industrialization Increased transportation activity All of these Deforestation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by CO2and CFCs SO2 and NO2 NO2and particulates SO2 and particulates CO2and CFCs SO2 and NO2 NO2and particulates SO2 and particulates ANSWER DOWNLOAD EXAMIANS APP
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