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Chemistry MCQs with Answers for FPSC, PPSC, NTS and all One Paper Exams — page 3

Chemistry MCQs in this portion are names and formulas from daily life — washing soda, baking soda, acids in food, rusting — not organic mechanisms.

Practice Chemistry in the app All Everyday Science MCQs by topic

Chemistry MCQs (21–30)

10 questions on this page, with a one-liner under each answer. Hide answers to attempt; questions you already answered stay revealed. This is a sample of 30 Chemistry MCQs — the full Everyday Science bank is in the study app.

Answers and one-liners are hidden. Tap an option to check that question, or show all. Questions from previously asked papers carry a Past Paper MCQ badge.

21.
Past Paper MCQ
What are oxides called that can behave as both acidic and basic oxides?
Correct Answer: B
One-liner
Oxides that can behave as both acidic and basic oxides are called amphoteric oxides.
22.
Past Paper MCQ
Bond in water molecule:
Correct Answer: B
One-liner
The bond in a water molecule is a covalent bond.
23.
Past Paper MCQ
Which of the following can be dissolved in water? Alcohol, Benzene, Ether, None of these
Correct Answer: A
One-liner
Alcohol can be dissolved in water because it is a polar compound capable of forming hydrogen bonds with water molecules.
24.
Past Paper MCQ
When AlCl₃ is heated, it converts into Al₂Cl₆. What type of bonding is present in Al₂Cl₆?
Correct Answer: B
One-liner
In Al₂Cl₆, the bonding involves a covalent coordinate bond (also called a dative bond), where chlorine donates a lone pair to aluminium to form a dimeric bridge structure.
25.
Past Paper MCQ
What type of bonding is present in AlCl₃?
Correct Answer: C
One-liner
AlCl₃ exhibits coordinate bonding, where the chlorine atom donates a lone pair of electrons to the electron-deficient aluminum atom.
26.
Past Paper MCQ
In methane the ratio of atom of Carbon and Hydrogen is
Correct Answer: A
One-liner
In methane, the ratio of carbon atoms to hydrogen atoms is 1:4.
27.
Past Paper MCQ
Saturated hydrocarbons are called?
Correct Answer: C
One-liner
Saturated hydrocarbons are called Alkanes.
28.
Past Paper MCQ
Which of the following is an electrolyte?
Correct Answer: A
One-liner
NaCl (sodium chloride) is an electrolyte because it dissociates into Na⁺ and Cl⁻ ions in water, allowing the solution to conduct electricity.
29.
Past Paper MCQ
Air is an example of a/an ______?
Correct Answer: C
One-liner
Air is an example of a mixture because it consists of different gases like nitrogen, oxygen, and carbon dioxide that are physically combined but not chemically bonded.
30.
Past Paper MCQ
What is the first element on the periodic table?
Correct Answer: B
One-liner
The first element on the periodic table is Hydrogen.

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Chemistry MCQs — common questions

Are these Chemistry MCQs with answers?

Yes. Each question on this page can be attempted here. The correct option and a one-liner are in the HTML. This is a sample set of 30 Chemistry MCQs across 3 pages. The full Everyday Science bank is in the study app.

Are Chemistry MCQs asked in FPSC, PPSC, NTS and all One Paper Exams?

Yes. Chemistry is part of the Everyday Science portion of most Pakistani one-paper job tests. Weighting still depends on the advertisement — use the official syllabus for your post.

Are these past paper Chemistry MCQs?

Where a question came from a previously asked paper, it carries a Past Paper MCQ badge. The rest are general practice from the same topic. The study app lets you drill past papers on their own.

How should I practise Chemistry MCQs?

Hide answers and attempt the samples on this page first. Then open Everyday Science in the study app and drill this area until your correction rate rises. Mix a full paper only after the topic is stable.

Chemistry MCQs with Answers for FPSC, PPSC, NTS and all One Paper Exams — page 3

Chemistry MCQs (21–30)

Chemistry MCQs — common questions

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