Question

what are precautions while removing test tube from beaker in hydrilla experiment

Answer 1

1.Make sure that gas in the test tube should not come out.
2.While taking the test tube, place your thumb on the opening of test tube so that the gas in the test tube does not escape .

Answer 2

Answer:

Explanation:

Remove the test tube from the beaker in a slow and gentle manner.

Prevent the escape of gas bubbles while removing the test tube from the funnel.

Avoid unnecessary shaking of the apparatus while removing the test tube.

Be careful and do not tilt the test tube as it will result in the escape of gas bubbles and you will have to perform the whole experiment once again.