physical and chemical changes

Write a word equation when magnesium burns. (Reactants------ Products)

What substance is formed when magnesium wire burns?

• Magnesium hydroxide

• Magnesium chloride

• Magnesium oxide

• Magnesium sulfate

What color does red litmus paper turn when exposed to the magnesium oxide solution?

• Green

• Blue

• Yellow

• Remains red

What does the observed change in litmus paper color indicate about magnesium oxide?

• It is acidic.

• It is neutral.

• It is basic.

• It is an indicator.

Write a word equation when the powdery ash is mixed with water.