Question

Read the following passage and answer the questions (on the basis of your understanding of the following paragraph and the related studied concepts.
Rohan works in a factory and he had real problems understanding the various ingredients that needed to be added to result into the desired products. Shyam had worked in this factory earlier and understood Rohan's problems.He helped Rohan with the flow chart explaining the reactants that needed to be added.
The flow chart is depicted as follows: -

(a)What is the chemical name of NaHCO3? Give the chemical equation for its preparation.                            (1½) 
(b)When water is added to D, an exothermic reaction occurs and a new compound is formed. How does this solution used to prepare bleaching powder?          (1)
(c) What is the name of the dehydrated salt of C?                                                                                              (½)    

Answer 1

Explanation:

A)Nightregan Ocxid...................