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Consider the following statements about ozone and choose the correct option :
(i) One molecule of ozone gas is formed by three atoms of oxygen.
(ii) Ozone is the product of UV radiations acting on oxygen ($\ce{O2}$) molecules.
(iii) Ozone performs an essential function at the lower levels of the atmosphere.
(iv) Ozone is very useful and is essential for all aerobic forms of life.
Options :
(i) One molecule of ozone gas is formed by three atoms of oxygen.
(ii) Ozone is the product of UV radiations acting on oxygen ($\ce{O2}$) molecules.
(iii) Ozone performs an essential function at the lower levels of the atmosphere.
(iv) Ozone is very useful and is essential for all aerobic forms of life.
Options :
- (a)(i) and (iii)
- (b)(i) and (ii)
- (c)(ii) and (iv)
- (d)(iii) and (iv)
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(B) (i) and (ii) (1 Mark)