Please help this is my chemistry work

How does litmus paper indicate an acid?

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what