Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Heavy metals Light metals Noble gases Halogens Heavy metals Light metals Noble gases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Sulphurous acid Hydrochloric acid Hydrofluoric acid Sulphuric acid Sulphurous acid Hydrochloric acid Hydrofluoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of TNT and charcoal Nitre, sulphur and charcoal Sulphur, sand and charcoal Sand and TNT TNT and charcoal Nitre, sulphur and charcoal Sulphur, sand and charcoal Sand and TNT ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Benzene Naphthalene Anthracene Furan Benzene Naphthalene Anthracene Furan ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon dioxide Carbon monoxide Sulphur dioxide Nitrous oxide Carbon dioxide Carbon monoxide Sulphur dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Beryllium Tantalum Silicon Ultra pure carbon Beryllium Tantalum Silicon Ultra pure carbon ANSWER DOWNLOAD EXAMIANS APP