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प्रश्न
Name : A salt which is a weak electrolyte.
उत्तर
Na2CO3
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संबंधित प्रश्न
Write down the word or phrase from the bracket that will correctly fill in the blank in the following sentence:
We can expect that pure water ________________ (will / will not) normally conduct electricity.
To carry out the so-called “electrolysis of water”. Sulphuric acid is added to water. How does the addition of sulpuric acid produce a conducting solution?
State your observation for the following electrolytic reaction
Aqueous copper sulphate is electrolysed between platinum electrodes.
Fill in the blank.
The ions which discharge on the negative electrode during electrolysis _____________ electrons, Thus the ions are said to be __________.
Choose the correct answer from the option given below:
Which among the following cations will discharge with ease at cathode?
Give one example of a substance which contain :
Ions only
Give one example of a substance which contain :
molecules only
Electrolysis is the passage of ______ through a liquid or a solution accompanied by a ______ change.
When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate electrodes are:
X - \[\ce{HCl <=> H^{1+} + Cl-}\] (in solution state)
Y - \[\ce{PbBr2 <=> Pb^{2+} + 2Br^{1-}}\] (in molten state)
From the above reaction X or Y, identify the reaction which exhibit:
ionization
