Chemistry Which one of the following elements is used in the manufacture of safety matches? Graphite Phosphorus Sodium Silicon Graphite Phosphorus Sodium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Magnetization Sublimation Sedimentation Evaporation Magnetization Sublimation Sedimentation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Cathode Vessel Electrolyte Anode Cathode Vessel Electrolyte Anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Sodium bicarbonate Magnesium hydroxide Calcium hydroxide Magnesium carbonate Sodium bicarbonate Magnesium hydroxide Calcium hydroxide Magnesium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.323 0.158 0.273 0.201 0.323 0.158 0.273 0.201 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Oxalic acid Petrol H2O2 Alcohol Oxalic acid Petrol H2O2 Alcohol ANSWER DOWNLOAD EXAMIANS APP
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