Chemistry When formaldehyde and potassium hydroxide are heated, we get Ethyl formate Methane Acetylene Methyl alcohol Ethyl formate Methane Acetylene Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is Zero 8 4 –4 Zero 8 4 –4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is liquid non-metal ? Bromine Alcohol Mercury Water Bromine Alcohol Mercury Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon dioxide Ozone Water vapour Carbon monoxide Carbon dioxide Ozone Water vapour Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fiber least prone to catch fire is Terylene Nylon Cotton Polyester Terylene Nylon Cotton Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Sulphur dioxide Helium Nitrogen Carbon dioxide Sulphur dioxide Helium Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP