Question

What precaution do you need while removing test tube from the beaker

Answer 1

Answer:

While using the test tube in any experiment in the laboratory precautionary measures must be taken. Because if it is mishandled tn this can cause serious problem like failure of the experiment or physical damage.In hydrilla experiment while removing test tube from the beaker be careful that the gas does not not escape in the air, Ensure that the level of water in the beaker is above the level of the stem of the inverted funnel.

Answer 2

Explanation:

Remove the test tube from the beaker in slow and gentle manner. prevent the escape of gas bubbles while removing the test tube from the funnel . avoid the unnessary shaking of the apparatuswhile removing the test tube