Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Oxygen Krypton Argon Nitrogen Oxygen Krypton Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitrates Ammonia Nitramines Nitrites Nitrates Ammonia Nitramines Nitrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloidal solution of Liquid in liquid Solid in Solid Solid in liquid Gas in solid Liquid in liquid Solid in Solid Solid in liquid Gas in solid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Adsorbent Oxidizing agent Reducing agent Coagulant aid Adsorbent Oxidizing agent Reducing agent Coagulant aid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of ‘Coca Cola’ is due to the presence of Hydrochloric acid Formic acid Acetic acid Phosphoric acid Hydrochloric acid Formic acid Acetic acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 100 500 50 200 100 500 50 200 ANSWER DOWNLOAD EXAMIANS APP