Chemistry Which of the following is used in dating archaeological findings ? 92235U 614C 13H 818O 92235U 614C 13H 818O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Phosphoric acid Boric acid Carbonic acid Sulphuric acid Phosphoric acid Boric acid Carbonic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The length of double bond is _______ than single bond None of these Shorter Of same lenght Longer None of these Shorter Of same lenght Longer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Reducing agent Oxidizing agent Adsorbent Coagulant aid Reducing agent Oxidizing agent Adsorbent Coagulant aid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful SO2 in the air CO2 in the air Solar ultraviolet radiation Solar infrared radiation SO2 in the air CO2 in the air Solar ultraviolet radiation Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP