Chemistry Of the following, which one pollutes the air of a big city ? Lead Chromium Copper Cadmium Lead Chromium Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of Avogadro Number is 6.023 × 1024 6.023 × 1023 6.023 × 1025 6.023 × 1022 6.023 × 1024 6.023 × 1023 6.023 × 1025 6.023 × 1022 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Oxalic acid Petrol H2O2 Alcohol Oxalic acid Petrol H2O2 Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Oil and fatty substances Suspended solids Inorganic substances Gritty substances Oil and fatty substances Suspended solids Inorganic substances Gritty substances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is SO2 NO2 Hg Lead SO2 NO2 Hg Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium carbonate Potassium carbonate Sodium hydroxide Sodium bicarbonate Sodium carbonate Potassium carbonate Sodium hydroxide Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
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