Acids & Its Properties

What are the physical properties of acids?

• pH > 7

• red litmus turn blue

• conducts electricity

• tastes sour

• changes Universal Indicator green to red

What ions are dissociated when acids are dissolved in water?

• Cl^-

• OH^-

• H⁺

• SO₄^2-

What are the products of the following chemical reaction?

acid + metal →

• salt + hydrogen gas

• salt + carbon dioxide + water

• salt + water

What are the products of the following chemical reaction?

acid + metal carbonate →

• salt + hydrogen gas

• salt + carbon dioxide + water

• salt + water

What are the products of the following chemical reaction?

acid + metal carbonate →

• salt + hydrogen gas

• salt + carbon dioxide + water

• salt + water

How can we test for the presence of hydrogen gas?

• Lighted splint extinguished with a "pop" sound

• Glowing splint relights

• White precipitate formed in limewater.

• Moist red litmus paper turns blue

How can we test for the presence of carbon dioxide gas?

• Lighted splint extinguished with a "pop" sound

• Glowing splint relights

• White precipitate formed in limewater.

• Moist red litmus paper turns blue