Chemistry The depletion of Ozone layer is mainly due to Chlorofluorocarbons Volcanic eruptions Aviation fuels Radioactive rays Chlorofluorocarbons Volcanic eruptions Aviation fuels Radioactive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Oxidation Substitution Elimination Addition Oxidation Substitution Elimination Addition ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to Positive rays ? and ? rays ?-rays X-rays Positive rays ? and ? rays ?-rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon monoxide Sulphur dioxide Carbon dioxide Carbon suboxide Carbon monoxide Sulphur dioxide Carbon dioxide Carbon suboxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal gas tragedy was caused by the gas Methyl chloride Methyl Iso Cyanide Methyl Iso Cyanate Methyl Cyanide Methyl chloride Methyl Iso Cyanide Methyl Iso Cyanate Methyl Cyanide ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From pink to blue-green From brown to blue-black From brown to orange-red From blue to pink From pink to blue-green From brown to blue-black From brown to orange-red From blue to pink ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS