Multiple choice (true or False) 1. When you measure a volume of a liquid using a graduated cylinder, read the top position of the meniscus of a liquid to determine the volume 2.Extra chemicals you sampled should be returned into the original container 3.Report immediately any accident in the lab, even if it is minor, to the lab instructor. 4.Wearing eye goggles is required for only when certain experiments performed in the chemistry laboratory 5. An organic dye, phenolphthalein is used for detecting an end point of an acid-base titration 6. The boiling and melting points are physical properties of a compound and the solubility is a chemical property of a compound 7 the temperature 98.6F is equal to 37C and 310k (true) 8.It takes 15.0ml of 0.40M NaOH solution to neutralize 20.0ml of 3.6M HCL 9.boyle's law states that pv=k when t and n are constant (true) 10. 2Br-(aq) + Pb2+ (aq) --- PbBr2(s) is a redox reaction