Chemistry Which among the following coal contains 90 per cent of carbon? Bitumen Anthracite Peat Lignite Bitumen Anthracite Peat Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Molybdenum Mercury Manganese Lead Molybdenum Mercury Manganese Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Coal Graphite Diamond Iron Coal Graphite Diamond Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because They contain free electrons The molecules in them are very close to each other They contain reflecting surface The molecules in them collide very freely They contain free electrons The molecules in them are very close to each other They contain reflecting surface The molecules in them collide very freely ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Sewage Sewer Scum Sludge Sewage Sewer Scum Sludge ANSWER DOWNLOAD EXAMIANS APP
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