One chemical change would be baking the muffin.
One physical change would be chopping the fruits to add to the mixture
The CH4 molecule has the lowest molecular weight, so it has the lowest boiling point.
Hope I helped :)
The negative side of another magnet
i. When an acid reacts with metal, a salt and hydrogen are produced:
ii. When oxygen and metal react, metal oxide forms also known as rust
iii. Acid and water produce hydroxide ions
