Latha took some quantity of powder of a substance in a test tube. Heated it with spirit lamp. A gas was liberated. She sent the gas into another test tube. The colour of solution in the second test tube turned into milk white.
Answer the following questions :
a) Which substance was heated?
b) Which gas was liberated?
c) What was the solution taken in second test tube?
d) Which type of chemical reactions involved the experiment?
