Question

When electric current is passed through water containing few drops of acid, what
changes you will observe near the positive and negative electrode and what is
your conclusion ?​

Answer 1

Answer:

hy...

Explanation:

if electrodes were immersed in water, and a current was passed, bubbles of oxygen and hydrogen were produced. Oxygen bubbles formed on the electrode connected to the positive terminal of the battery and hydrogen bubbles formed on the other electrode.

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Answer 2

When electric current is passed through water containing few drops of acid, the following changes will be observed near the positive and negative electrode:-

• The passage of electric current through acidified water (electrolysis of water) leads to a chemical change and the formation of bubbles of gases at the electrodes.
• On the positive electrode i.e. anode, oxygen gas is formed.  
• On the negative electrode, i.e. cathode, hydrogen gas is formed.
• Thus, due to the presence of dilute acid, water becomes a better conductor of electricity, and water gets split into hydrogen and oxygen ions.