Activate 2 C2-3 Metals and Acids

What are acids?

• Solutions with pH greater than 7

• Solutions with pH less than 7

• Solutions with pH equal to 7

• Solutions that are always solid

What are bases?

• Substances that are neutralized by acids

• Substances that are always liquids

• Substances that are always solids

• Substances that have a pH of 7

What are alkalis?

• Soluble bases with pH less than 7

• Soluble bases with pH greater than 7

• Acids that are soluble

• Neutral substances

Which of the following is a common lab acid?

• Sodium hydroxide

• Hydrochloric acid

• Vinegar

• Soap

What is the formula for hydrochloric acid?

• H₂SO₄

• HNO₃

• HCl

• NaOH

What is the formula for sulfuric acid?

• HCl

• HNO₃

• H₂SO₄

• NaOH

What is the formula for sodium hydroxide?

• HCl

• NaOH

• H₂SO₄

• HNO₃

Which of the following is a household acid?

• Bleach

• Toothpaste

• Lemon juice

• Soap

Which of the following is a household alkali?

• Vinegar

• Lemon juice

• Bleach

• Fizzy drinks

What hazard is associated with lab acids and alkalis?

• They are flammable

• They are corrosive

• They are explosive

• They are non-toxic