Question

व्हाई डस लाइटिंग ऑफ करो​

Answer 1

Translation: (English)

What is "turn off the lights?"

• Turn off the lights is a sentence used to order someone to turn off the light switches.

Answer 2

Answer:

Aim: An activity to show that soil contains moisture.

Required materials: Test tube, test tube stand, burner, and the soil sample.

Procedure:

(i) First, take a test tube and then add two full spoons of the sample of soil.

(ii) Heat the test tube on the burner and observe the changes.

Observations:

(i) When the soil sample is heated it results in the evaporation of the moisture content present in the soil.

(ii) This moisture moves up and then condenses on the inner walls of the upper side of the test tube because it is cooler.

Result:

This proves that the soil sample has moisture in it.

Experiment to show that soil contains mositure.