Chemistry What is the element required for solar energy conversion ? Ultra pure carbon Silicon Beryllium Tantalum Ultra pure carbon Silicon Beryllium Tantalum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Graphite Carbon black Coke Coal Graphite Carbon black Coke Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its affinity for non-metal Its electropositive character Its non-metallic character Its reducing character Its affinity for non-metal Its electropositive character Its non-metallic character Its reducing character ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Lignite Magnetite Nitrite Bauxite Lignite Magnetite Nitrite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Water Oxides of mineral elements Carbon dioxide Carbonates from soil Water Oxides of mineral elements Carbon dioxide Carbonates from soil ANSWER DOWNLOAD EXAMIANS APP
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