Predict the products of the following reactions:

(i) Name the method of refining to obtain low boiling metal like mercury.

(ii) What is the role of pine oil in froth floatation process?

(iii) Reduction of metal oxide to metal becomes easier if the metal obtained is in liquid state. Why?

Examine the given defective crystal:

Answer the following questions:

(i) Is the above defect stoichiometric or non-stoichiometric?

(ii) Write the term used for this type of defect.

(iii) Why do silver halides show this type of defect?

Write the names and structures of the monomers of the following polymers:

(i) Glyptal

(ii) Teflon

(iii) Nylon-6

(i) MnO is basic whereas Mn₂O₇ is acidic in nature. Why?

(ii) Transition metals form alloys. Why?

(iii) Complete the following equation:

2 MnO₂ + 4 KOH + O₂→