Chemistry Which of the following is not a greenhouse gas ? Chlorofluorocarbon Nitric oxide Hydrogen Carbon dioxide Chlorofluorocarbon Nitric oxide Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Carbon dioxide and oxygen Methane and carbon dioxide Methane and carbon monoxide Isobutane and propane Carbon dioxide and oxygen Methane and carbon dioxide Methane and carbon monoxide Isobutane and propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Cocaine Caffeine Morphine Tannin Cocaine Caffeine Morphine Tannin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is a Conductor Nonconductor Insulator Semiconductor Conductor Nonconductor Insulator Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is Zero –4 8 4 Zero –4 8 4 ANSWER DOWNLOAD EXAMIANS APP
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