निम्नलिखित में से कौन सा प्रेक्षण यह दर्शाता है कि एक रासायनिक अभिक्रिया हुई है?

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?