Which of these observations would be classified as a physical property a: lemon juice cleans a penny b: a candle burns brightly c: baking soda in vinegar forms bubbles d: a cube of gold is hammered into a thin sheet

How does litmus paper indicate an acid?

What does x represent in the formula for the compound xcl4?

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound