What are the two main ways of generating electricity? How are they different from each other? Explain.
Name the non-metallic mineral which can be split easily into thin sheets. Mention its uses.
Why are efficient means of transport pre-requisites for the fast development of the country? Explain.
Explain the conditions that were viewed as obstacles to the economic exchange and growth by the new commercial classes during the nineteenth century in Europe.
OR
How did students in Vietnam fight against the colonial government's efforts to prevent Vietnamese from qualifying for 'white collar jobs'? Explain.
Why did Gandhiji decide to launch a nationwide Satyagraha against the proposed Rowlatt Act, 1919? Explain.
Describe the main features of the 'Salt March'.
Gandhi found in salt a powerful symbol that could unite the nation.
(i) Gandhi started his famous salt march accompanied by 78 of his trusted volunteers.
(ii) The march was over 240 miles, from Gandhi ashram in Sabarmati to the Gujarati coastal town of Dandi. The volunteers walked for 24 days, about 10 miles a day.
(iii) He ceremonially violated the British law when by manufacturing salt from sea water. This has also marked the beginning of the Civil Disobedience Movement.