Class 7 Science Online Tests
Electrolytes MCQ (Multiple Choice Questions) PDF Download
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Electrolytes MCQs: Questions and Answers PDF Download
The electrolyte used in the purification of copper is
- copper nitrate
- copper chloride
- copper sulphate
- copper carbonate
Electrolyte contains a compound of
- metal on anode
- metal on cathode
- metalloid on anode
- transition metal on cathode
Metal ions move through the electrolyte to coat the object which is
- nematode
- posit rode
- anode
- cathode
Water is a poor electrolyte, so an acid is added to increase its conductivity. The acid is
- hydrochloric acid
- sulphuric acid
- nitric acid
- carbonic acid
Class 7 Science Practice Tests
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