Chemistry Which among the following coal contains 90 per cent of carbon? Bitumen Lignite Anthracite Peat Bitumen Lignite Anthracite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Electrons Neutrons Positrons Protons Electrons Neutrons Positrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Vinegar' is a commercial name of Acetic acid Hydrochloric acid Citric acid Oxalic acid Acetic acid Hydrochloric acid Citric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Agricultural waste Natural gas Dried dung Sun Agricultural waste Natural gas Dried dung Sun ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Carbon and tin Tin and lead Zinc and lead Copper and iron Carbon and tin Tin and lead Zinc and lead Copper and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 5 zero 4 2 5 zero 4 2 ANSWER DOWNLOAD EXAMIANS APP
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