Chemistry Which one is not a pure form of carbon Coal Diamond Gold Graphite Coal Diamond Gold Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Breathing Burning Organic delay Photosynthesis Breathing Burning Organic delay Photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Iron Copper Silver Gold Iron Copper Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of CO2 layer O 2 layer O3 layer SO2 layer CO2 layer O 2 layer O3 layer SO2 layer ANSWER DOWNLOAD EXAMIANS APP