How does the intensity of a paramagnetic material vary with temperature?

The susceptibility of a paramagnetic material is X at 27^@C . At what temperature itssusceptibility be frac(x)(3)?

How does the conductivity of a semiconductor change with temperature? Why?

How pH of pure water vary with temperature? Explain.

How pH of pure water vary with temperature? Explain.

Discuss the Curie law for paramagnetic material.

How does electical conductivity of a metal chandge with temperature?

Answer the following questions : How does the rate of a reaction depend upon the temperature of reactants? Give suitable example.

Why does the rate of photosynthesis decrease at higher temperatures?

How does the pollution occur ?