3. Assertion (A) : Photochemical smog is oxidising in nature. Reason (R) : Photochemical smog contains NO2 and O3, which are formed during the sequence of reactions. (a) Both A and R are correct and R is the correct explanation of A. (b) Both A and R are correct but R is not the correct explanation of A. (c) Both A and R are not correct. (d) A is not correct but R is correct.

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Q: .(a) Aqueous 50.5 % (w/w) sodium hydroxide has a density of 1.53 g cm–3. Calculate the concentration…

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Q: Give the equation for the following: 50% w/w pKA Ka

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A: What is the difference between inorganic and organic chemistry = ?

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