Question

explain how road transport has an edge over railway ...​

Answer 1

Explanation:

Give the chemical name and chemical formulae of the following:

(a) A reddish brown deposit formed on iron nail on exposure to damp air

(b) A greenish layer formed on copper articles on long exposure to air.

(c) A blackish tinge formed on silver vessels

(ii) Also mention condition/conditions necessary for their formation in each case.

(iii) Name the process involved and define it.

Answer 2

Explanation:

Roads have edge over railways because: They provide door to door services. the construction cost of roadways is much cheaper than the construction cost of the railways. Roads can be built hilly and dissected regions while it is difficult to lay railway lines on difficult and rugged terrain.