Chemistry Heating of a ore below its melting point in the absence of air is known as Refining Calcination Roasting Smelting Refining Calcination Roasting Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand and potassium carbonate Sand and sodium carbonate Sand and sodium bicarbonate Sand Sand and potassium carbonate Sand and sodium carbonate Sand and sodium bicarbonate Sand ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Transportation Fuel combustion Solid waste disposal Industrial process Transportation Fuel combustion Solid waste disposal Industrial process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tar roads get damaged if there is Heavy traffic Stagnation of water on road No sloping No maintenance Heavy traffic Stagnation of water on road No sloping No maintenance ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Rain water Distilled water Ground water Tap water Rain water Distilled water Ground water Tap water ANSWER DOWNLOAD EXAMIANS APP
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