Chemistry Which one of the following is a greenhouse gas ? Carbon dioxide Sulphur dioxide Helium Nitrogen Carbon dioxide Sulphur dioxide Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of quartz is Sodium silicate Sodium phosphate Calcium phosphate Calcium oxide Sodium silicate Sodium phosphate Calcium phosphate Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbanion Carbene Carbocation Free radical Carbanion Carbene Carbocation Free radical ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Phosphorus Oxygen Sulphur Chlorine Phosphorus Oxygen Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ag Cu Ge Au Ag Cu Ge Au ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Methane Acetylene Ethyl formate Methyl alcohol Methane Acetylene Ethyl formate Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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