Chemistry Among the following, carbonate ore of Zinc is Sphalerite Zincblende Zincite Calamine Sphalerite Zincblende Zincite Calamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is nicotine caffeine chlorophyll aspirin nicotine caffeine chlorophyll aspirin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most malleable metal is silver gold platinum iron silver gold platinum iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Absorption Coagulation Adsorption Emulsification Absorption Coagulation Adsorption Emulsification ANSWER DOWNLOAD EXAMIANS APP