Question In Cbse 2020 Science Set 2 (JBB4)
Due to ambiguity the question is wrongly asked
- Which of the following is incorrect regarding ozone
A. Ozone is a molecule made up of 3 atoms of oxygen
B.Ozone shields the surface of Earth from Uv Ray's
C.Ozone is a deadly poison
D. Ozone get decomposed in presence of UV Rays .
But when I explored the internet , I found Ozone can also get decomposed by UV technology ..
Will grace Mark's will be given for it
Answers
Explanation:
BIOLOGY
Study the following statements about ozone:
(a) It is essential for the breathing of living organisms.
(b) It is used to disinfect water.
(c) It absorbs ultraviolet rays.
(d) Its proportion of air is about 3%. Which of these statements are correct?
November 22, 2019avatar
Kanti Njattyala
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ANSWER
Ozone, or trioxygen, is an inorganic molecule with the chemical formula O
3
. It is a pale blue gas with a distinctively pungent smell.
Oxygen is essential for the breathing of living organisms. Hence statement (a) is incorrect.
Ozone is a powerful oxidant, stronger than chlorine. Ozone is used to disinfect, deodorize, decolourize and decompose organic substances in water. Hence Statement (b) is correct.
The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation.
Answer:
D)OZONE GET DECOMPOSED IN PRESENCE OF UV RAYS.
THIS SENTENCE IS WRONG.
I HOPE THAT THIS HELPED YOU