Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Calcium, Magnesium Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium Sodium, Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Isobars are lines joining places having equal Population Height above sea-level Rainfall Pressure Population Height above sea-level Rainfall Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Nylon 66 Bakelite Terylene Tollen's Nylon 66 Bakelite Terylene Tollen's ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Oxygen Chlorine Nitrogen Hydrogen Oxygen Chlorine Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In paper industry As purgative In making tooth paste In softening water In paper industry As purgative In making tooth paste In softening water ANSWER DOWNLOAD EXAMIANS APP
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