Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Acetylene Ethylene Methane Styrene Acetylene Ethylene Methane Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wax used for making candle is chemically a mixture of Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons Aliphatic hydrocarbons Cyclic hydrocarbons Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons Aliphatic hydrocarbons Cyclic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Citric acid Sulphuric acid Oxalic acid Lactic acid Citric acid Sulphuric acid Oxalic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand and sodium carbonate Sand and potassium carbonate Sand and sodium bicarbonate Sand Sand and sodium carbonate Sand and potassium carbonate Sand and sodium bicarbonate Sand ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because They contain free electrons The molecules in them are very close to each other They contain reflecting surface The molecules in them collide very freely They contain free electrons The molecules in them are very close to each other They contain reflecting surface The molecules in them collide very freely ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Silicon Nitrogen Phosphorous Potassium Silicon Nitrogen Phosphorous Potassium ANSWER DOWNLOAD EXAMIANS APP
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