Grade 9 112-2 Midterm quiz

Which of the following is a property of acids?

• Bitter taste
• Slippery feel
• React with metals to produce hydrogen
• React with bases to produce hydrogen

Which of the following is a property of bases?

• Sour taste
• React with carbonates to produce carbon dioxide
• React with metals to produce hydrogen
• Bitter taste

What is the chemical formula for sulfuric acid?

• H₂SO₄

• HCl
• NaOH
• Na₂CO₃

What is the chemical formula for sodium hydroxide?

• H₂SO₄

• HCl
• NaOH
• Na₂CO₃

Which of the following is a strong acid?

• Vinegar
• Citric acid
• Sulfuric acid
• Baking soda

Which of the following is a weak base?

• Sodium hydroxide
• Hydrochloric acid
• Baking soda
• Sulfuric acid

What happens when an acid reacts with a metal?

• Produces hydrogen gas
• Produces carbon dioxide gas
• Changes color of an indicator
• Becomes slippery

What happens when an acid reacts with a carbonate?

• Produces hydrogen gas
• Produces carbon dioxide gas
• Changes color of an indicator
• Becomes slippery

What is the test for hydrogen gas?

• Turns limewater milky
• Produces a pop sound with a burning splint
• Changes color of an indicator
• Becomes slippery

What is the test for carbon dioxide gas?

• Turns limewater milky
• Produces a pop sound with a burning splint
• Changes color of an indicator
• Becomes slippery