Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Positrons Neutrons Electrons Protons Positrons Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon monoxide Oxides of sulphur Oxides of nitrogen Carbon dioxide Carbon monoxide Oxides of sulphur Oxides of nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Oxalic acid Cinnamic acid Phthalic acid Benzoic acid Oxalic acid Cinnamic acid Phthalic acid Benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Acetylene Methane Ethyl formate Methyl alcohol Acetylene Methane Ethyl formate Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Camphor Charcoal Diesel Coal-tar Camphor Charcoal Diesel Coal-tar ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO2 SO2 Unburnt petrol CO CO2 SO2 Unburnt petrol CO ANSWER DOWNLOAD EXAMIANS APP