Chemistry Natural rubber is a polymer of Isoprene Vinyl acetate Styrene Propene Isoprene Vinyl acetate Styrene Propene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of electrons presents in H+ is three one two zero three one two zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Methane Ethylene Propylene Acetylene Methane Ethylene Propylene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Nitrous oxide and sulphur dioxide Carbon monoxide Carbon dioxide Methane Nitrous oxide and sulphur dioxide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 5 3 4 2 5 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP