Chemical Bonding — Chemistry STD 10 — Question

A saturated hydrocarbon from iodomethene.

Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.

Write balanced equation for the preparation of nitric acid from potassium nitrate.

Give balanced reactions for the following conversion:
Ammonia solution to an amphoteric hydroxide.

A solution has a pH of 7. Explain, how you would:
Increase its pH, If a solution changes the color of litmus from red to blue, what can you say about its pH?

Name the process used for the purification of bauxite.

What property of hydrogen chloride is demonstrated when it is collected by downward delivery (Upward displacement)?

Give a chemical test to distinguish between the following pair of compounds:
Sodium chloride solution and sodium nitrate solution.

The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate)
Why is the direct addition of dilute sulphuric acid to lead carbonate an impractical method of preparing lead sulphate?