Chemistry Acid rain is caused by NO2and particulates SO2 and particulates SO2 and NO2 CO2and CFCs NO2and particulates SO2 and particulates SO2 and NO2 CO2and CFCs ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Compressed and hardened biomass Crude oil Coke Deposit of animal waste Compressed and hardened biomass Crude oil Coke Deposit of animal waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloidal solution of Solid in Solid Liquid in liquid Solid in liquid Gas in solid Solid in Solid Liquid in liquid Solid in liquid Gas in solid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Refining Smelting Roasting Calcination Refining Smelting Roasting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Sodium chloride Potassium nitrate Aluminium hydroxide Silver bromide Sodium chloride Potassium nitrate Aluminium hydroxide Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines ANSWER DOWNLOAD EXAMIANS APP
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