Answered You can hire a professional tutor to get the answer.
If you take the mass of a crucible and cover with nothing in it and then take the mass of the crucible and cover after it is heated for a few
If you take the mass of a crucible and cover with nothing in it and then take the mass of the crucible and cover after it is heated for a few minutes, will there be an increase or decrease is mass/weight after it's heated ?