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Applications of Crystallisaion

The material ...

Question

The material which is added to water during purification process at the water works so as to disinfect it is :

(a) potassium permanganate (b) betadine (c) chlorine (d) potash alum

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Solution

(c) chlorine

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Q. The material which is added to water during purification process at the water works so as to disinfect it is :
(a) potassium permanganate
(b) betadine
(c) chlorine
(d) potash alum

What is the purpose of adding alum to water during the process of purification?

Q. Which one of the following is most likely to exhibit Tyndall effect ?
(a) sugar and water mixture
(b) potash alum and water mixture
(c) chalk powder and water mixture
(d) potassium permanganate and water mixture

Q. Chlorination is a process used for water purification. The disinfecting action of chlorine is mainly due to

Q. In our municipal drinking water, under purification and supply scheme, chlorine is added to water because

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