Chemistry Periodic table contains how many groups 18 19 17 16 18 19 17 16 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Caustic soda Baking soda Soda lime Washing soda Caustic soda Baking soda Soda lime Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Alcohol H2O2 Oxalic acid Petrol Alcohol H2O2 Oxalic acid Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Silicon Sodium Phosphorus Graphite Silicon Sodium Phosphorus Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Carbon and Platinum Silicon and Germanium Iridium and Germanium Tungsten and Platinum Carbon and Platinum Silicon and Germanium Iridium and Germanium Tungsten and Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 1 4 3 2 1 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
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