Which of the following is/are correct about the size of particulates?
A
Soor particles have a diameter of about 5 mm
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B
H2SO4 fog particles have size of 500−1000nm
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C
Fly ash particles have a diameter of 5×105
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D
All particulates have the same size
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Solution
The correct options are A Soor particles have a diameter of about 5 mm BH2SO4 fog particles have size of 500−1000nm C Fly ash particles have a diameter of 5×105