Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Half a million Two million One million Ten million Half a million Two million One million Ten million ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Sedimentation Coagulation Softening Disinfection Sedimentation Coagulation Softening Disinfection ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 10 and 20 km 20 and 50 km 50 and 100 km 5 and 10 km 10 and 20 km 20 and 50 km 50 and 100 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Sulphuric acid Aqua ragia Hydrochloric acid Nitric acid Sulphuric acid Aqua ragia Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Zinc Copper Tin Chromium Zinc Copper Tin Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Calcium chloride Ammonium chloride Sodium chloride Sodium nitrate Calcium chloride Ammonium chloride Sodium chloride Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP