Solve this fallen phrase puzzle. Will give brainliest.

When fat comes in contact with sodium hydroxide, it produces soap and glycerin. determine whether this is a physical change or a chemical change. explain your answer

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b. refraction c. diffraction d. interference

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2