Chemistry The iron ore which contains 72% of iron is : Haematite Limonite Magnetite Siderite Haematite Limonite Magnetite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Coagulant aid Oxidizing agent Adsorbent Reducing agent Coagulant aid Oxidizing agent Adsorbent Reducing agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and NO2 SO2 and particulates CO2and CFCs NO2and particulates SO2 and NO2 SO2 and particulates CO2and CFCs NO2and particulates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baryllium Sulphate is less soluble in water due to Low Energy of dissociation High inflammable energy Lonic band Low inflammable energy Low Energy of dissociation High inflammable energy Lonic band Low inflammable energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Iron, tin and calcium Magnesium, calcium and tin Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin Calcium, magnesium and iron Magnesium, tin and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitramines Ammonia Nitrates Nitrites Nitramines Ammonia Nitrates Nitrites ANSWER DOWNLOAD EXAMIANS APP
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