s - block Elements (Alkali and Alkaline Earth Metals)
An example of Alum is___________.
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Single Choice
Which of the following is a use of alum
AMaking explosives
BBleaching clothes
CWater softening
Correct Answer
DAll of the above
Solution
Alum is used for the softening of water.
Alum is used to clarify water by neutralising the electrical double layer surrounding very fine suspended particles, allowing them to flocculate.
SIMILAR QUESTIONS
s - block Elements (Alkali and Alkaline Earth Metals)
Which of the following is not true about potash alum?
s - block Elements (Alkali and Alkaline Earth Metals)
Alum helps in purifying water by_________
s - block Elements (Alkali and Alkaline Earth Metals)
Alum is water purifier because it___________
s - block Elements (Alkali and Alkaline Earth Metals)
Why does bleeding stop by rubbing moist alum?
s - block Elements (Alkali and Alkaline Earth Metals)
When a solution of sodium hydroxide is added in excess to the solution of potash alum, we obtain:
s - block Elements (Alkali and Alkaline Earth Metals)
When a solution of sodium hydroxided in excess to the solution of postah alum, we get :
s - block Elements (Alkali and Alkaline Earth Metals)
Alums are used for_________
s - block Elements (Alkali and Alkaline Earth Metals)
Answer the following Name the two metals present in common alum.
s - block Elements (Alkali and Alkaline Earth Metals)
Answer the following Name the compound of aluminium which is used as germicide and coagulant in the purification of water.
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