How can biogas solve the energy problem mainly in rural India? Give your suggestions.

(iii) Both processes A and B are chemical changes

Biogas is a combustible mixture of methane (about 75%), carbon dioxide, hydrogen and hydrogen sulphide gas. It is obtained by anaerobic decomposition of human and animal excreta and agricultural and...

(i) India is a tropical country, therefore it receives sunlight in abundance throughout the year. (ii) Solar plant can be easily established in rural and remote areas. (iii) It will minimise the...

The main problem which the people of the Hardas village faced was acute shotage of water. The hand pump water has gone well below the point up to which the...

On putting the hands on the chest, when I breathed in, my chest comes out.

Potential sources of biogas are: Shrubs, farm wastes, animal, human waste, etc. Four benefits of biogas are: (i) Its calorific value is high. (ii) It burns without smoke, causing no pollution. (iii) It...

(i) India is a tropical country, therefore it receives sunlight in abundance throughout the year. (ii) Solar plant can be easily established in rural and remote areas. (iii) It will minimise the...

(c) Rural sanitation is not a subject in the Concurrent List. Public Health and Sanitation comes under the State List.

(b) Only 3rd and 4th are correct thus the option (b) is right.

(i) Yes, the poem presents a conflict between man and nature. While nature is more free and unbounded, man prefers to live in bounded spaces and also wants to curb...