For purifying drinking water alum is used
In purifying drinking water alum is used for coagulation of mud particles.
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When should you discard a PFD?
Personal flotation devices (PFDs), have life span upto it is damaged. Hence, When it has a torn strap you should discard a PFD.
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When did the U.S join WW-1?
In revolt against defence, U.S joined World War-1 on April 6, 1917.
You heard me before and then again. Afterward I die until you call me again.
What am I?
ECHO.
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Which of these is ATP?
ATP is a Adenosine Triphosphate.
ATP is 3 Phosphate groups attached to a Ribose attached to Adenine.
The genetic material of HIV consists of
The genetic material of HIV consists of two single stranded RNA molecules.
Which of the following is true of osmosis?
Singing Their Songs was created by
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