Chemistry Which of the following is a secondary pollutant ? NO PAN CO SO2 NO PAN CO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Crude oil Compressed and hardened biomass Deposit of animal waste Coke Crude oil Compressed and hardened biomass Deposit of animal waste Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Democritus Robert Boyle John Dalton Antoine Lavoisier Democritus Robert Boyle John Dalton Antoine Lavoisier ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Diethylamine Triethylamine Ammonia Ethylamine Diethylamine Triethylamine Ammonia Ethylamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Sodium iodide Iodine Potassium iodide Potassium iodate Sodium iodide Iodine Potassium iodide Potassium iodate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? O2 Cl2 H2 SO2 O2 Cl2 H2 SO2 ANSWER DOWNLOAD EXAMIANS APP