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Q.

What two materials are used as filters?

Asked by John, 24 Nov '12 11:49 am
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Answers (4)

1.

Gravel, sand and cotton balls are used for filters.
Answered by LIPSIKA, 24 Nov '12 12:23 pm

 
  
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2.

Paper and glass fibre
Answered by iqbal seth, 24 Nov '12 12:09 pm

 
  
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3.

Paper and glass fibre
Answered by Quest, 24 Nov '12 12:05 pm

 
  
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4.

Paper and glass fibre
Answered by RACHANAexposer, 24 Nov '12 11:52 am

 
  
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