Chemistry The gas causing acid rain in an industrial area is Sulphur dioxide Methane Carbon monoxide Carbon dioxide Sulphur dioxide Methane Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Helium Neon Argon Krypton Helium Neon Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Hallucinating substance Sedative Mental stimulant Tranquillizer Hallucinating substance Sedative Mental stimulant Tranquillizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was iron copper gold bronze iron copper gold bronze ANSWER DOWNLOAD EXAMIANS APP
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