Chemistry Formic acid is produced by Cockroaches White ants Red ants Mosquitoes Cockroaches White ants Red ants Mosquitoes ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Activated carbon Bleach Alum Deactivated nitrogen Activated carbon Bleach Alum Deactivated nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Sodium Potassium Cadmium Lithium Sodium Potassium Cadmium Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a natural Suspension Mixture Solution Emulsion Suspension Mixture Solution Emulsion ANSWER DOWNLOAD EXAMIANS APP
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