Suggest reasons,why
an empty glass container does not get hot in a microwave oven.

Why we use good quality plastic containers for heating the food in a microwave and not any metal made utensil?

Why does a gas gets heated on compression?

Why does a gas fill the container completely ?

Why does the lymph contain much less proteins than plasma?

A thin zinc plate was kept ina glass container having CuSO_4 solution. On examining it was found that the blue colour of the solution is getting lighter. After a few days when the zinc plate was taken out of the solution, a number of small holes were noticed in it. State the reason and write chemical equation of the reaction.

Carry out the following osmosis experiment: Take four peeled potato halves and scoos each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water.(a) Now, Keep cup A empty.(b)Put one teaspoon sugar in cup B.(c)Put one teaspoon salt in cup c.(d)put one teaspoon sugar in the boiled potato cup D.Keep these for two hours then observe the four potato cups and answer the following: Explain why water does not gather in the hollowed out portion of A and D.

Mercury does not cling to glass. Why?