pH, Buffer and titration

Which one of following acids is the weak acid?

• HCl

• H₂SO₄

• CH₃COOH

• HClO₄

Which one of following acids is the strong acid?

• H₂CO₃

• HClO

• HNO₃

• H₃PO₄

Which one of following bases is the week base?

• Cu(OH)₂

• NaOH

• CsOH

• KOH

What does pH measure?

• Amount of Oxygen Ions

• Amount of Hydrogen Ions

• The amount of salt in a solution

• The density

HCl + NaOH →

• NaH + ClOH

• NaCl + H₂

• NaCl + H₂O

• NaCl + Cl₂

Which activity is not allowed in the lab?

• Eating

• Drinking

• Wearing slippers

• All of the above

Which Personal Protective Equipment (PPE) is required when you are doing the experiment in Water and Waste Teaching Lab?

• Lab gloves

• Safety goggles

• Lab coat

• All of the above

Did you take the chemistry course before?

• Yes

• No

Did you do chemical experiments before?

• Yes

• No