Warm butter- liquid
Liquid nitrogen- gas
paper- solid
neon gas- gas
ice- solid
I think energy is released
Answer:
<em>The correct option is B) two liquids are mixed at room temperature and a gas forms.</em>
Explanation:
A chemical change can be described as a change which results in the formation of a new substance by the reactants. In the option B, two liquids react to form a new product which is a gas. Hence, it is an example of chemical change.
Other options,like option D, is not a chemical change as by crushing a solid no new product is formed. Option C is also not correct because as when salt dissolves in water, no new product is made.
Bath Bombs are colvalent bonds because they have both metals and non-metals before and after it makes contact with water.
