Chemistry Ferrous sulphate is used in water treatment as a/an Oxidizing agent Reducing agent Adsorbent Coagulant aid Oxidizing agent Reducing agent Adsorbent Coagulant aid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Sulphuric acid Lactic acid Oxalic acid Citric acid Sulphuric acid Lactic acid Oxalic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 13 days 100 years 0.01 minute 3 billion years 13 days 100 years 0.01 minute 3 billion years ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Acidmeter PH meter Ammeter Hygrometer Acidmeter PH meter Ammeter Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 1.2 gms 120 gms 0.12 gms 12 gms 1.2 gms 120 gms 0.12 gms 12 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron acceptor An electron donor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron acceptor ANSWER DOWNLOAD EXAMIANS APP