Is this correct? and can you tell me yes or no for each one thanks

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

What does the symbol (–hfus) indicate in a phase change?