(20 POINTS )HELP. If a solution is basic, which of the following properties would be present?

Question 3 options:

reacts with metals to produce hydrogen gas

taste sour

turns blue litmus paper red

feel slippery

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing