2
Methylated spirits is plural. A methylated spirt is singular.
No. I recently did an experiment where we had to put salt in methylated spirits and it didn't dissolve. Most things can't dissolve in methylated spirits.
Violet
water
yes very
Alcohol
You can
Periodic table will list elements and not compounds like methylated spirits. Denatured alcohol or methylated spirits is ethanol that has additives to make it undrinkable (poisonous), to discourage recreational consumption.
The easiest way is to immerse an hydrometer in the methylated spirits. An hydrometer is a glass object with a column at the top that is graded in grams per cubic cm. The hydrometer is floated in the liquid, and the density is read at the position the liquid surface takes at the graded column. Good hydrometers come in sets that read the density in regions of 0.1 of a g per cubic cm. The density of methylated spirits should be just below 0.8 g per cubic cm. The presence of water will make it more dense. Other ways would be to accurately measure a certain volume of the methylated spirits, and weigh that volume on an accurate balance. That will provide mass (in grams) per cubic cm (mL = cubic cm).
Use methylated spirits
ethanol
less potatoes in the fridge