In the production of soda ash by Solvay process, the by-product is____________________?

Question: __________ nature of hypo (sodium thiosulphate) makes it useful in photography.
[A].

Oxidising

[B].

Reducing

[C].

Complex forming

[D].

Photochemical

Answer: Option C

Explanation:

No answer description available for this question.

Question: Catalytic oxidation-dehydrogenation of methyl alcohol produces
[A].

formaldehyde

[B].

phenol

[C].

acetone

[D].

maleic anhydride

Answer: Option A

Explanation:

No answer description available for this question.

Question: Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
[A].

colour

[B].

turbidity

[C].

bacteria

[D].

all (a), (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.