Related Questions

Potassium Permanganate is used for purifying drinking water, because ----.
A it dissolves the impurities of water
B it is a reducing agent
C it is a sterilising agent
D it is an oxidising agent
Potassium Permanganate is used for purifying drinking water, because.
A it dissolves the impurities of water
B it is a reducing agent
C it is a sterilizing agent
D it is an oxidizing agent
In chemical terms, what are alums used for purifying water for drinking purposes ?
A Hydrated chlorides
B Double nitrate
C Double sulphates
D Nitrates of aluminium
The orphans "A Mother in Mannville was drawn to the narrator because________.
A she paid him well for this servies
B she remined him of his mother who lived in Mannvile
C she made him fell less lonely and forsaken
D she had a dog he could paly with
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate
A Is prone to thermal decomposition
B Has high water solubility and is unstable
C Is soluble in ammonium chloride and potassium chloride solution
D All of the above
A linon was drinking water from a brook. ____ a lamb was also taking water from the downstream of the same brook.
A While
B At the same time
C Hence
D On the contarary
Surface water is a better source of drinking water because it is poor in
A Dust
B Bacteria
C Arsenic
D Algae
Which of the following is used for disinfecting drinking water?
A Baking powder
B Bleaching powder
C Washing soda
D Baking soda
Bleaching powder is used in drinking water as a/an
A Disinfectant
B Antibiotic
C Antiseptic
D Coagulant
A good number of people are attacked with diarrhoea by drinking 'contaminated' water .
A hygienic
B poisonous
C hybrid
D unhygienic

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