Chemistry The natural resource, known as black gold is Lead Tin Platinum Coal Lead Tin Platinum Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Ethyl alcohol Methyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which is mainly responsible for the green house effect is: Carbon dioxide Carbon monoxide Oxygen Ozone Carbon dioxide Carbon monoxide Oxygen Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Iron Tin Copper Aluminium Iron Tin Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Photosynthesis Organic delay Breathing Burning Photosynthesis Organic delay Breathing Burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to X-rays ?-rays ? and ? rays Positive rays X-rays ?-rays ? and ? rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
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