Chemistry Petroleum is a mixture of Elements Hydrocarbons Polymers Salts Elements Hydrocarbons Polymers Salts ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because They contain free electrons The molecules in them are very close to each other The molecules in them collide very freely They contain reflecting surface They contain free electrons The molecules in them are very close to each other The molecules in them collide very freely They contain reflecting surface ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode of a dry cell is made up of Zinc Iron Cadmium Lead Zinc Iron Cadmium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Bromine Silicon Phosphorus Sulphur Bromine Silicon Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Potassium Permangante Sodium carbonate Lime Alum Potassium Permangante Sodium carbonate Lime Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 18 Zero 6 12 18 Zero 6 12 ANSWER DOWNLOAD EXAMIANS APP
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