Which of these is an example of a physical change?

a. sugar, when heated, producing carbon dioxide and water

b. solid ice, when heated, turning into a liquid water

c. sodium, when exposed to chlorine, forming sodium chloride

d. aluminum, when heated in air, forming aluminum oxide

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

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

Is laundry detergent an acid or a base?