निम्नलिखित में से कौन-सा तत्व मानक परिस्थितियों में प्रकृति में एकल-परमाणुक (monoatomic) रूप में मौजूद रहता है (बहुपरमाणुक अणु के रूप में नहीं रहता)?

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?