Acids and Bases

Acids and Bases

Multiple Choice

Which of these is an organic acid ?

• CH₃COOH

• HCl

• H₂SO₄

• NH₄OH

Multiple Choice

Which of the following is a strong acid ?

• Lactic acid

• Acetic acid

• Sulphuric acid

• Formic acid

Multiple Choice

Which of these acid is dibasic ?

• HNO₃

• CH₃COOH

• H₂SO₄

• H₃PO₄

Multiple Choice

Which one of the following will turn red litmus blue ?

• Vinegar

• Baking soda solution

• Lemon juice

• Soft drinks

Multiple Choice

pH of Blood is _______.

• 6.4

• 7.4

• 4.7

• 8.0

Multiple Choice

Which of the following has the highest value of pH ?

• HCl

• NaOH

• Ca(OH)₂

• CH₃COOH

Multiple Choice

The pH of a solution which turns red litmus blue will be ____.

• 1

• 9

• 4

• 5

Multiple Choice

Which of the following is pH of acidic solution?

• 7

• 2

• 13

• 10.2

Multiple Choice

pH + pOH equals to ______.

• zero

• fourteen

• a negative number

• infinity

Multiple Choice

Neutralization reaction among the following is _____.

• Na₂O + CO₂ → Na₂CO₃

• HCl + NH₃ → NH₄⁺ + Cl^–

• NH₃ + H⁺ → NH₄⁺

• All the above