Which of the following is a physical change? A. Water reacting with potassium

B. Alcohol evaporating

C. Water splitting into hydrogen and oxygen

D. Alcohol burning

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

What is a property of a double replacement reaction

Which compound contain an iron with a 3+ charge