CHEMISTRY ONLINE TEST 22

1 / 10

The pH of a 0.001 M H₂SO₄ solution is approximately —

2.7

2 / 10

Which solution will have the highest pH?

0.1 M NH₃

0.1 M CH₃COOH

0.1 M NH₄Cl

0.1 M HCl

3 / 10

The pH of a buffer containing equal concentrations of weak acid and its salt is —

pKa

Greater than pKa

Less than pKa

4 / 10

Which of the following has minimum pH?

0.01 M H₂SO₄

0.01 M HCl

0.01 M CH₃COOH

0.01 M NaCl

5 / 10

The degree of ionization of a weak acid increases on dilution because —

Ka increases

Concentration increases

Temperature increases

Equilibrium shifts forward

6 / 10

A solution with pH = 2 is —

Strongly acidic

Weak acid

Neutral

Base

7 / 10

The pH of 10⁻³ M HCl is —

8 / 10

Which acid shows maximum ionization?

Weak acid

Organic acid

Strong acid

Mineral acid

9 / 10

Which indicator is colorless in acidic medium?

Litmus

Phenolphthalein

Methyl orange

Turmeric

10 / 10

Which of the following is a weak base?

NaOH

KOH

Ca(OH)₂

NH₃

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CHEMISTRY ONLINE TEST 22

About Saheb Shaik