Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 Hydrocarbons CO NO CO2 Hydrocarbons CO NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry In sugar solution, Sugar is solute, water is solvent Sugar is solvent, water is solute Both are solutes Both are solvents Sugar is solute, water is solvent Sugar is solvent, water is solute Both are solutes Both are solvents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Tin Mercury Lead Zinc Tin Mercury Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Suspended solid particles in air Pollutant gas, present in air Green house gas present in air Microbes, present in air Suspended solid particles in air Pollutant gas, present in air Green house gas present in air Microbes, present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Cinnabar Haematite Dolomite Bauxite Cinnabar Haematite Dolomite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetraethyl lead Trimethyl lead Tetramethyl lead Triethyl lead Tetraethyl lead Trimethyl lead Tetramethyl lead Triethyl lead ANSWER DOWNLOAD EXAMIANS APP