Science Class 9 Matter in Our Surroundings

Asked by SACHIN SHARMA · ADARSH SENIOR SECONDARY SCHOOL

Consider the following statements and choose the correct option: (1) The mass of 15 moles of H? is 30 g. (2) The number of moles present in 128 g of O? is 4.

Playing as guestRegister free to earn Practice Points, ask questions & climb the leaderboard!
people 2 answered check_circle 0% got it right
70%