Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 CuO Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Carbon monoxide Carbon dioxide Oxygen Ozone Carbon monoxide Carbon dioxide Oxygen Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is Emulsion Gel Suspension Foam Emulsion Gel Suspension Foam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Radioactive waste Oil spill Carbon dioxide Acid rain Radioactive waste Oil spill Carbon dioxide Acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Glycerol Ethyl alcohol Propyl alcohol Methyl alcohol Glycerol Ethyl alcohol Propyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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
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