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Centrifugation

How we can se...

Question

How we can separate cream from milk?

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Solution

$D e a r S t u d e n t T h e p r o c e s s u s e d t o s e p a r a t e c r e a m f r o m m i l k i s C e n t r i f u g a t i o n . (i) M i l k i s a s u s p e n s i o n o f t i n y d r o p l e t s o f c r e a m i n a w a t e r y l i q u i d . (i i) T h e m i l k i s t h e n p u t i n a c l o s e c o n t a i n e r, w h i c h i s t h e n p l a c e d i n a b i g c e n t r i f u g e m a c h i n e . (i i i) T h e m i l k i s r o t a t e d a t a v e r y h i g h s p e e d i n i t s c o n t a i n e r . (i v) W h i l e r o t a t i n g, t h e c e n t r i f u g a l f o r c e a c t s o n t h e m i l k . (v) D u e t o t h e c e n t r i f u g a l f o r c e, t h e m i l k g e t s e p a r a t e d i n t o c r e a m a n d s k i m m e d m i l k . (v i) T h e c r e a m f l o a t s o v e r t h e s k i m m e d m i l k, a s c r e a m i s l i g h t e r t h a n m i l k a n d t h e n c r e a m c a n b e r e m o v e d . R e g a r d s$

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