Chemistry

JAMB WAEC NECO Post-UTME

Senior secondary Chemistry for JAMB, WAEC, NECO and Post-UTME: atomic structure and periodicity, chemical bonding, stoichiometry and gas laws, acids, bases and salts, electrochemistry, and organic chemistry. Every question comes with a worked explanation, so mole calculations and reaction mechanisms stop being guesswork.

Try Level 1 free — no account needed

Levels

1 Foundations
2 Building Blocks
3 Core Skills
4 Advanced Practice
5 Mastery

Topics covered

Atomic Structure and Bonding Stoichiometry Acids, Bases and Salts Organic Chemistry

Try a sample question

A taste of what's inside — original Chemistry practice, free, no account needed.

1. The chemical symbol for sodium is:

A. So

B. Sd

C. Na

D. S

Explanation: Sodium's symbol, Na, comes from its Latin name "natrium".

2. Which particle has no electric charge?

A. proton

B. electron

C. neutron

D. ion

Explanation: Neutrons are electrically neutral; protons carry a positive charge and electrons a negative charge.

3. What is the pH of a neutral solution at 25°C?

A. 0

B. 7

C. 10

D. 14

Explanation: A neutral solution, such as pure water, has a pH of 7 at 25°C.

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