Chemistry The coloured discharge tubes for advertisement mainly contain Neon Xenon Argon Helium Neon Xenon Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Graphite Iron Diamond Coal Graphite Iron Diamond Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Three bonds Two bonds Four bonds One bond Three bonds Two bonds Four bonds One bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Dried dung Natural gas Sun Agricultural waste Dried dung Natural gas Sun Agricultural waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Cobalt Copper Chromium Cadmium Cobalt Copper Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Silicon Magnesium Iron Oxygen Silicon Magnesium Iron ANSWER DOWNLOAD EXAMIANS APP
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