Q. 1. Fill in the following blanks with suitable words: (a) Most liquids that conduct electricity are solutions of ..........., ......... and ............ (b) The LED glows even when a electric current passes through it. (c) The passage of an electric current through a conducting solution causes. effect. (d) When an electric current is passed through acidified water, then ........and are formed. (e) The process of depositing a layer of any desired metal on another metal by means of electricity is called .......... (f) If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the terminal of the battery.

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Solution:

  • Most liquids that conduct electricity are solutions of acids, base and
  • The LED glows even when a low electric current passes through
  • The passage of an electric current through a conducting solution causes a chemical
  • When an electric current is passed through acidified water, then hydrogen and oxygen are
  • The process of depositing a layer of any desired metal on another metal by means of electricity is called electroplating.
  • If you pass current through a copper sulphate solution, copper gets deposited on the plate connected to the negative terminal of the battery.

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