47ᵗʰ B.P.S.C. (Pre) 2005
Human skin burns during swimming in lake/ pond -
adue to infrared ray
bbecause of chlorine✓ Correct
cdue to heat
ddue to ultraviolet ray
Explanation
Human skin burns during swimming in lake/pond because chlorine (Cl2) is used for purification of lake water. Due to excess chlorine, the skin gets burnt.
general-science