Chemistry Which one of the following elements is used in the manufacture of safety matches? Silicon Sodium Graphite Phosphorus Silicon Sodium Graphite Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Phosphate Detergent Arsenic Zinc Phosphate Detergent Arsenic Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of Polyester Acrylic Polymer None of these Polyester Acrylic Polymer None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodex, a pain relief balm, has the smell of ________ . Methyl salicylate Butyl salicylate Propyl salicylate Ethyl salicylate Methyl salicylate Butyl salicylate Propyl salicylate Ethyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Water Carbonates absorbed from soil Oxides of minerals Carbon dioxide Water Carbonates absorbed from soil Oxides of minerals Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because The molecules in them collide very freely The molecules in them are very close to each other They contain free electrons They contain reflecting surface The molecules in them collide very freely The molecules in them are very close to each other They contain free electrons They contain reflecting surface ANSWER DOWNLOAD EXAMIANS APP