Nothing, i could just imagine the iron fillings would sink to the bottom and over time rust.
Hydrogen.
reaction
nothing
Yes baking soda and oil can be mixed together,especially when baking.
Yes
it depends on what is mixed together
Nothing happens when backing soda and sand are mixed. There is no reaction.
Nothing "happens".
it blows up.
no
Vinegar and baking soda mixed together
Lots of foam and bubbles.
As the mixture of iron filings and sulphur powder are together/mixed it can be easily separated by a magnet.
YELLOW