Chemistry The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of periodic table of contents atomic structure metallurgy discovery of elements periodic table of contents atomic structure metallurgy discovery of elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Tetra – a –naphthylethylene Biphenyl ethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Tetra – a –naphthylethylene Biphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Nitrogen Carbon dioxide Helium Sulphur dioxide Nitrogen Carbon dioxide Helium Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Increases Cannot be predicted Remains same Decreases Increases Cannot be predicted Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry During fermentation of sugar, the compound which is always formed is : Methyl Alcohol Ethylene Acetic Acid Ethyl Alcohol Methyl Alcohol Ethylene Acetic Acid Ethyl Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air is said to be saturated when : Its thickness is maximum Its pressure is minimum It blows over the barren land It contains maximum content of water vapour Its thickness is maximum Its pressure is minimum It blows over the barren land It contains maximum content of water vapour ANSWER DOWNLOAD EXAMIANS APP