Chemistry Sea water is saltier than rain water because Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by SO2 NO Chlorogluorocarbons NO2 SO2 NO Chlorogluorocarbons NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Nitrogen Hydrogen Methane Helium Nitrogen Hydrogen Methane Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? High octane fuel Coal Low octane fuel Cooking gas High octane fuel Coal Low octane fuel Cooking gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to X-rays Positive rays ?-rays ? and ? rays X-rays Positive rays ?-rays ? and ? rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of N2 CH4 CO2 H2 N2 CH4 CO2 H2 ANSWER DOWNLOAD EXAMIANS APP
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