Ques: The working principle of a washing machine is [ BPSC 67th Prelims 2022 ]
A. reverse osmosis
B. diffusion
C. centrifugation
D. dialysis
E. None of the above / More than one of the above
Ans ➺ C
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A. reverse osmosis
B. diffusion
C. centrifugation
D. dialysis
E. None of the above / More than one of the above
Ans ➺ C
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