8.2 Properties acid base

The following is true for physical properties of acids EXCEPT

• Acid has pH < 7
• Acid taste bitter
• Acid turn methyl orange to red
• Acid turns phenolphthalein to colorless

The following is true for physical properties of bases EXCEPT

• Bases has pH > 7
• Bases taste bitter
• Bases turn methyl orange to red
• Bases turns phenolphthalein to colorless

The following is true for chemical properties of acids EXCEPT

• Acid react with reactive metal to produce H₂ gas
• Acid neutralize metal hydroxide to produce salt and water
• Acid neutralize metal oxide to produce salt and water
• Acid neutralize metal carbonate to produce H₂ and water

Which metal will not react with HCI to produce H₂ gas?

• Tin 
• Iron 
• Copper 
• Aluminium

Which of the following is NOT a base?

• Metal halides
• Metal hydroxide
• Metal Oxide
• Metal Carbonates

Which of the following neutralization reaction is wrong?

• LiOH + HCI → LiCI + H₂O
• Fe(OH)₂ + 2HNO₃ → Fe(NO₃)₂ + 2H₂O
• CaO + 2HCI → CaCI₂ + H₂O
• CaCO₃ + 2HCI → CaCI₂ + H₂O

The following is true for strong and weak acid EXCEPT

• Strong acid dissociate completely
• Weak acid dissociate partially
• Strong acid has high conductivity
• Weak acid has low pH value

Which of the following is NOT a strong acid ?

• HCI
• H₂SO₄
• HNO₃
• H₃PO₄

Which of the following is NOT a weak acid?

• CH₃COOH
• H₂SO₄
• H₂CO₃
• H₃PO₄

Which of the following is NOT a weak base?

• NH₃
• C₂H₅NH₂
• LiOH
• NH₄OH