This is the reason why can't some substances dissolve in water and chemically: Water is a polar molecule. If a solute dissolved in water is polar molecule, it will dissolve in water. If a solute dissolved in water is non-polar like oil it will not dissolve in water.
b/c polar dissolves in polar
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For what? Sorry hs there a image that wasn’t added? I would wish to help
Answer: Oxygen
Explanation:
The gas that is useful for burning from the options given is oxygen. For combustion to take place, it should be noted that oxygen is required.
Fire is simply a chemical reaction that is being created from fuel and oxygen which eventually creates the heat and the light that's gotten. The percentage of oxygen that is in the air is about 21%.
