Chemistry Acid rain is caused by the pollution of environment by Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Corrosion Exfoliation Oxidation Carbonation Corrosion Exfoliation Oxidation Carbonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Oxidizing agent Reducing agent Coagulant aid Adsorbent Oxidizing agent Reducing agent Coagulant aid Adsorbent ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 4.84 x 1017 1.568 x 103 6.023 x 1019 6.023 x 1023 4.84 x 1017 1.568 x 103 6.023 x 1019 6.023 x 1023 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is One Two Zero Three One Two Zero Three ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Carbon monoxide Oxygen Carbon dioxide Ozone Carbon monoxide Oxygen Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS