Chemistry The method that cannot be used for removing permanent hardness of water is boiling adding caustic soda distillation adding sodium carbonate boiling adding caustic soda distillation adding sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Chlorine Iron Bromine Iodine Chlorine Iron Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Iron Copper Silver Gold Iron Copper Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 92 146 238 330 92 146 238 330 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Hydrogen and Carbon Oxygen only Oxygen and Nitrogen Oxygen and Carbon Hydrogen and Carbon Oxygen only Oxygen and Nitrogen Oxygen and Carbon ANSWER DOWNLOAD EXAMIANS APP
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