Chemistry Which one of the following acids is used in battery ? Sulphurous acid Hydrochloric acid Sulphuric acid Hydrofluoric acid Sulphurous acid Hydrochloric acid Sulphuric acid Hydrofluoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Sodium sulphate Potassium sulphate Zinc sulphate Lead Sulphate Sodium sulphate Potassium sulphate Zinc sulphate Lead Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Nitrates of aluminium Double nitrate Hydrated chlorides Double sulphates Nitrates of aluminium Double nitrate Hydrated chlorides Double sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethanol containing 5% water is known as Denatured spirit Methylated alcohol Rectified spirit Power alcohol Denatured spirit Methylated alcohol Rectified spirit Power alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo chemical smog is a resultant of the reaction among NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, O2 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening CO, CO2 and NO2at low temperature NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, O2 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening CO, CO2 and NO2at low temperature ANSWER DOWNLOAD EXAMIANS APP
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