Question

Fill in the blanks with suitable words:

…….Is used in filters to remove offensive air from the smell.

Answer 1

Activated charcoal:

• We can improve the activity of charcoal by heating it from 900⁰C to 950⁰C in the absence of air and then passing a stream through it.
• This charcoal is changed to activated charcoal. The steam increases the size of the pores so, its absorbing property increases ten times than normal.
• This activated charcoal is used in filters to remove the offensive smell from the air; coloring odor, bad taste, and toxic chemicals from water.

Conclusion: Activated Charcoal Is used in filters to remove offensive air from the smell.