Question 250170 When magnesium burns, it becomes heavier, while when matches burn, they become lighter. Does this observation violate the law of conservation of mass? October 20, 2022/by admin https://papershelpdesk.com/wp-content/uploads/2021/05/Logo-300x75.png 0 0 admin https://papershelpdesk.com/wp-content/uploads/2021/05/Logo-300x75.png admin2022-10-20 00:30:472022-10-20 00:30:47Question 250170