कोलतार (Coal tar) में कुछ ________ तेल होते हैं जो वायुमंडल के संपर्क में आने पर वाष्पित हो जाते हैं।

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?