List the harmful effects of:
i. Radioactive fallout
ii. Smog
iii. `SO_2`

When smoke mixes with fog, it is called smog. What are the harmful effects of photo chemical smog?

What are the harmful effects of photochemical smog and how can they be controlled?

Environmental pollution is the effect of undesiral changes in surroundings that have harmful effect on plants, animals and human beings. a) Explain the adverse effect of global warming. b) Choose the one which is not a component of photochemical smog. i) NO_2 ii) O_3 iii) SO_2

Environmental pollution is the effect of undesirable change in surroundings that have harmful effect on plants, animals and human beings. Choose the one which is not a component of photochemical smog.

Calculate the molecular mass of the following. (i) H_2O (ii) CO_2 (iii) CH_4

Which of the following statements are correct ? (i) All isotopes are radioactive (ii) Emission of beta -rays is accompanied by the emission of anti neutrinos (iii) Alpha particles have a mass number of 4 and carry a charge of +2 (iv) gamma -rays have a higher penetrating power than alpha -rays

Predict the sign of entropy change in the following reactions. i) O_2(g)+2 SO_2(g) rarr 2 SO_3(g) ii) 2 H_2(g)+O_2(g) rarr 2 H_2 O(g)

Alum is the name for all double salts having the composition M_(2)^(1)SO_(4)M_(2)^(III)(SO_(4))_(3).24H_(2)O , where M^(III) stands for Al^(3+), Cr^(3+), Fe^(3+) while M^(I) stands for