Test Chemistry - Luca, Jean Monnet HS

What is an acid?

A substance that turns litmus paper blue A substance with pH above 7 A substance that releases hydrogen ions (H⁺) in water A substance that only exists in solids

What is a base?

A substance that tastes sour A substance with pH below 7 A substance that releases hydroxide ions (OH⁻) in water A substance that cannot dissolve in water

Which of the following is an example of an acid?

Soap Baking soda Vinegar Toothpaste

Which of the following is an example of a base?

Orange juice Baking soda Lemon juice Vinegar

What happens in a neutralization reaction?

A base becomes stronger Two acids react together Water turns into an acid An acid reacts with a base to form salt and water

[b]Which statement about acids is correct?[/b][br][br]A. Acids have a pH greater than 7[br][br]B. Acids often have a sour taste[br][br]C. Acids feel slippery[br][br]D. Acids turn red litmus paper blue

Acids feel slippery Acids turn red litmus paper blue Acids often have a sour taste Acids have a pH greater than 7

Test Chemistry - Luca, Jean Monnet HS

情報: Test Chemistry - Luca, Jean Monnet HS