Advertisements
Advertisements
प्रश्न
Which one of the following solutions will not conduct electricity?
विकल्प
Lemon juice
Vinegar
Tap water
Vegetable oil
Advertisements
उत्तर
Vegetable oil
Explanation:
Vegetable oil will not conduct electricity because it does not make ions easily.
APPEARS IN
संबंधित प्रश्न
Most liquids that conduct electricity are solutions of ________, _______ and ________.
The bulb does not glow in the setup shown in figure list the possible reasons. Explain your answer.

A tester is used to check the conduction of electricity through two liquids, labelled A and B. It is found that the bulb of the tester glows brightly for liquid A while it glows very dimly for liquid B. You would conclude that ______.
Does pure water conduct electricity? If not, what can we do to make it conducting?
In case of a fire, before the firemen use the water hoses, they shut off the main electrical supply for the area. Explain why they do this.
A child staying in a coastal region tests the drinking water and also the seawater with his tester. He finds that the compass needle deflects more in the case of seawater. Can you explain the reason?
Is it safe for the electrician to carry out electrical repairs outdoors during heavy downpour? Explain.
Paheli had heard that rainwater is as good as distilled water. So, she collected some rain water in a clean glass tumbler and tested it using a tester. To her surprise, she found that the compass needle showed deflection. What could be the reasons?
Observe the circuit given in the figure.

Boojho set up this circuit for purification of copper. What will be the nature of – (i) plate A (ii) plate B (iii) and the solution.
Explain the process of purification.
Boojho made the circuit as shown in the figure. He wanted to observe what happens when an electric current is passed through water. But he forgot to add a few drops of lemon juice to water. Will it make any difference to his observations? Explain.

