Which is an identity of a physical change?

B. केवल physical properties बदलती हैं / Only physical properties change

Step 1: Identify the concept: this is about physical change. Step 2: In a physical change properties like shape size or state may change but no new substance forms. Step 3: Remember melting of ice as a physical change.

Step 1: concept पहचानें: यह physical change से जुड़ा है। Step 2: Physical change में shape size state जैसी properties बदल सकती हैं लेकिन new substance नहीं बनता। Step 3: Ice melting physical change याद रखें।