Chemistry Which of the following pollutants is main product of automobile exhaust ? NO CO CO2 Hydrocarbons NO CO CO2 Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Silver Copper Magnesium Barium Silver Copper Magnesium Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Aniline blue Crystal violet Phenolphthalein Alizarin Aniline blue Crystal violet Phenolphthalein Alizarin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and NO2 CO2and CFCs NO2and particulates SO2 and particulates SO2 and NO2 CO2and CFCs NO2and particulates SO2 and particulates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Potassium nitrate Sodium nitrate Sodium nitrite Potassium nitrite Potassium nitrate Sodium nitrate Sodium nitrite Potassium nitrite ANSWER DOWNLOAD EXAMIANS APP
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