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.
Gandhiji decided to launch a nationwide Satyagraha against the proposed Rowlatt Act, 1919 because it had the British government enormous powers to suppress political activities and allowed detention of political prisoners without trial for two years. The sucessfully organised satyagraha movements in various places had also emboldened Gandhi.