Question

Which of the following is/are correct about the size of particulates?

• A. Soor particles have a diameter of about $5$ mm
• B. $H_{2}S{O}_4$ fog particles have size of $500-1000nm$
• C. Fly ash particles have a diameter of $5\times {10}^5$
• D. All particulates have the same size

Answer 1

Answer: (A), (B), (C)

The correct options are
A Soor particles have a diameter of about $5$ mm
B $H_{2}S{O}_4$ fog particles have size of $500-1000nm$
C Fly ash particles have a diameter of $5\times {10}^5$