Chemistry Normal rainwater is slightly acidic due to the presence of Methane Carbon dioxide Sulphur dioxide None of these Methane Carbon dioxide Sulphur dioxide None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of Fe3OH4 3Fe2O3 .. 3H2O FeCO3 Fe2O3 Fe3OH4 3Fe2O3 .. 3H2O FeCO3 Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 4 1 2 3 4 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Sulphuric acid Phosphoric acid Boric acid Carbonic acid Sulphuric acid Phosphoric acid Boric acid Carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A detergent is a Catalyst Drug Soap Cleansing agent Catalyst Drug Soap Cleansing agent ANSWER DOWNLOAD EXAMIANS APP