Chemistry The method that cannot be used for removing permanent hardness of water is adding sodium carbonate boiling adding caustic soda distillation adding sodium carbonate boiling adding caustic soda distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The 'solid waste' is also known as Scrubber Sludge Toxic waste Sedge Scrubber Sludge Toxic waste Sedge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? BHT Sodium sulphate Saccharin Sodium metabisulphite BHT Sodium sulphate Saccharin Sodium metabisulphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Nichrome Silver Iron Copper Nichrome Silver Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Fluorine Nitrogen Neon Oxygen Fluorine Nitrogen Neon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Sodium Uranium Thorium Potassium Sodium Uranium Thorium Potassium ANSWER DOWNLOAD EXAMIANS APP
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