Answer the case-based question given below:
There are so many important compounds known, which have some characteristic properties like Bleaching powder used as an disinfectant, POP used for joining fractured bones, Baking powder used for making dhoklas and baking cake, Sodium chloride as a table salt etc . These properties make these compounds very useful in our daily routine.
a. Bleaching powder is formed when:
b. The ratio of the water molecule in plaster of paris and gypsum is
c. The rising of cake during baking is due to:
d. Washing soda is prepared by: