acid,bases and salts

Acids react with

• water to produce bases and salts
• salts to produce bases and water
• neither bases, salts nor water
• bases to produce salts and water

Tags

NGSS.MS-PS1-2

HF is...

• an acid

• a base

• a salt

• an ionic compound

Tags

NGSS.HS-PS1-2

What is the pOH of a solution that has a pH of 2?

• 10
• 12
• 14
• 1

Acid in car battery:

• Hydrochloric acid

• Sulfuric acid

• Acetic acid

• Carbonic acid

What does this hazard symbol mean?

• toxic

• flammable

• corrosive

• explosive

Complete this equation:

sulfuric acid + potassium hydroxide -->

• potassium oxide + hydrogen

• potassium chloride + water

• potassium sulfate + hydrogen

• potassium sulfate + water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which equation is balanced?

• H₂SO₄ + NaOH --> Na₂SO₄ + H₂

• H₂SO₄ + 2NaOH --> Na₂SO₄ + H₂

• H₂SO₄ + 2NaOH --> Na₂SO₄ + H₂O

• H₂SO₄ + 2NaOH --> Na₂SO₄ + 2H₂O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Acid reacts with metal to produce ___________ gas.

• oxygen

• carbon dioxide

• hydrogen

• nitrogen dioxide

Which of the following indicator will show different colour in acid, neutral and alkali?

• Phenolphtalein

• Universal indicator

• Methyl orange

• Litmus paper

Sodium hydroxide is used

• to make fertilisers.

• to make battery.

• to cure gastritis.

• to make detergent.