How is Ni purified by Mond’s process?

How is alum purified ?

In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices. (a) Both assertion and reason are true and reason is the correct explanation of assertion. (b) Both assertion and reason are true but reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true. (e) Assertion and reason both are wrong. Assertion : Nickel can be purified by Mond process. Reason: Ni(CO)_4 is a volatile compound which decomposes at 460 K to give pure Ni.

Describe Mond process.

How phenol is manufactured by Dow's process ?

How is copper purified by electro - refining ?

Blood may be purified by

Blood may be purified by

Explain the chemistry of manufacture of nitric acid by Ostwald’s process? How does it react with iodine?

In Haber’s process, hydrogen is obtained by reacting methane with steam in presence of NiO as catalyst. The process is known as steam reforming. Why is it necessary to remove CO when ammonia is obtained by Haber’s process?