Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of Unburnt petrol CO SO2 CO2 Unburnt petrol CO SO2 CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Sulphur Chlorine Phosphorus Oxygen Sulphur Chlorine Phosphorus Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: No spin Same spin Opposite spin Same or opposite spin No spin Same spin Opposite spin Same or opposite spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Copper Lead Chromium Cadmium Copper Lead Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CO2 SO2 CO CFC CO2 SO2 CO CFC ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, SO2 is evolved Lead sulphate is consumed Lead is formed Sulphuric acid is consumed SO2 is evolved Lead sulphate is consumed Lead is formed Sulphuric acid is consumed ANSWER DOWNLOAD EXAMIANS APP
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