A fundamental principle in physics stating that mass in an isolated system is neither created nor destroyed but remains constant over time.
द्रव्यमान का संरक्षण का नियम
English Usage: The law of conservation of mass is crucial in understanding chemical reactions.
Hindi Usage: द्रव्यमान का संरक्षण का नियम रासायनिक प्रतिक्रियाओं को समझने में महत्वपूर्ण है।
dravyamaan ka sanrakshan, dravyman ka sanrakshan, dravya maan ka sanrakshan, dravyaman ka sanrakshan
