Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetraethyl lead Triethyl lead Trimethyl lead Tetramethyl lead Tetraethyl lead Triethyl lead Trimethyl lead Tetramethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.2 mole 0.25 mole 0.5 mole 0.4 mole 0.2 mole 0.25 mole 0.5 mole 0.4 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Tranquillizer Sedative Hallucinating substance Mental stimulant Tranquillizer Sedative Hallucinating substance Mental stimulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium salt commonly used to stop bleeding is Potash alum Aluminium Chloride Aluminium nitrate Aluminium sulphate Potash alum Aluminium Chloride Aluminium nitrate Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Lead Zinc Mercury Copper Lead Zinc Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO3 NO2 SO2 N2O SO3 NO2 SO2 N2O ANSWER DOWNLOAD EXAMIANS APP