Please I really need this !! Potassium loses electrons when it reacts with oxygen. Which statement is true of potassium in this reaction? A. It reduces.
B. It undergoes synthesis.
C. It undergoes redox.
D. It oxidizes​

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions.

What does every magnet possess? a. iron metal b. strong magnetic field c. repulsion d. north and south poles