Which of the following observations NOT likely describes a chemical change? a A white solid was exposed to ultraviolet light and turned brown. b Two clear liquids were mixed together and a yellow solid formed c A solid was added to water and the mixture was stirred until the solid was no longer visible d A piece of metal was added to a liquid and bubbles formed on the surface of the metal
Answers: 3
Chemistry, 22.06.2019 02:00, issachickadi
Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents
Answers: 1
Chemistry, 22.06.2019 21:20, skyemichellec
40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume
Answers: 3
Which of the following observations NOT likely describes a chemical change? a A white solid was expo...
Mathematics, 12.02.2021 17:20
Mathematics, 12.02.2021 17:20
Mathematics, 12.02.2021 17:20
Mathematics, 12.02.2021 17:20