Acids and Bases

Stronger acids have a pH closer to...

• 7

• 0

• 14

• 9

Weaker bases have a pH closer to...

• 8

• 0

• 14

• 4

A pH level of 7 indicates

• acid

• base

• neutral

• none of the following

What is the only substance with a neutral pH of 7?

• Milk

• Orange Juice

• Pure water

• Bleach

What type of reaction occurs when you react an acid with a base?

• combustion

• decomposition

• no reaction

• neutralisation

... are used to neutralise acid in the stomach.

• Toothpastes

• Bacterias

• Antacids

• More strong acids

Which of the following is a neutralization reaction?

• 2Na + Cl₂ → 2NaCl

• CH₄ + 2O₂ → CO₂ + 2H₂O

• HCl + KOH → KCl + H₂O

• CaCO₃ → CO₂ + CaO

Would H₂SO₄ be classified as an acid, base or salt ?

• Acid

• Base

• Salt

Which of the following is a base?

• NH₃

• CsOH

• HCl

Which of the following is an acid?

• NaOH

• H₂O

• HCl