Join WhatsApp ChannelDaily MCQs & Exam Updates

Chemistry MCQs

129 Questions Subject Test
Subject Preparation Guide

Prepare Chemistry with confidence

Practice the essential concepts of matter, atomic structure, chemical reactions, bonding and everyday applications of chemistry.

Atomic StructureChemical BondingReactionsOrganic Chemistry
Helpful for board examinations, entry tests and science-based competitive papers.
Chemistry preparation illustration
Subject Test

Test your Chemistry preparation

Questions are tracked as practiced when you open Show Answer & Explanation. Tracking stays only in this browser tab and no subject-test result is saved.

Practiced MCQs
0 / 129
Use the MCQs you already prepared, or launch a random test from the full subject bank.
No login required Result is not saved Choose your own MCQ count & timer
Choose your test mode
Choose any number up to 129 available MCQs.
Enter 0 for no timer, or choose 1–300 minutes.
Tip: prepare some MCQs first, then start a quick self-check from My Practiced MCQs to test exactly what you studied.
81
Easy css Uploaded: 04 Sep 2026

Which functional group characterizes carboxylic acids?

  • A -CO-
  • B -COOH
  • C -OH
  • D -CHO
82
Easy ppsc nts Uploaded: 14 Jul 2026

What is the lightest element in the periodic table?

  • A Helium
  • B Hydrogen
  • C Lithium
  • D Beryllium
83
Easy css Uploaded: 04 Sep 2026

What is the most abundant gas in Earth's atmosphere?

  • A Nitrogen
  • B Oxygen
  • C Carbon dioxide
  • D Argon
84
Easy nts Uploaded: 06 Aug 2026

Which particle has a negative charge?

  • A Proton
  • B Electron
  • C Neutron
  • D Positron
85
Easy fpsc Uploaded: 04 Sep 2026

At STP, one mole of an ideal gas occupies what volume?

  • A 1 liter
  • B 44.8 liters
  • C 22.4 liters
  • D 11.2 liters
86
Easy pms Uploaded: 04 Sep 2026

What is the general term for a substance that speeds up a reaction without being consumed?

  • A Catalyst
  • B Reactant
  • C Solvent
  • D Inhibitor
87
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

What is the IUPAC name for the simplest hydrocarbon with formula CH4?

  • A Ethane
  • B Butane
  • C Propane
  • D Methane
88
Easy ppsc Uploaded: 04 Sep 2026

Proteins are polymers made up of monomer units called:

  • A Nucleotides
  • B Amino acids
  • C Monosaccharides
  • D Fatty acids
89
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

What is the chemical name of NaOH?

  • A Sodium chloride
  • B Sodium carbonate
  • C Sodium bicarbonate
  • D Sodium hydroxide
90
Easy nts Uploaded: 06 Aug 2026

What type of reaction occurs when an acid reacts with a base?

  • A Neutralization
  • B Oxidation
  • C Combustion
  • D Decomposition
91
Easy ppsc Uploaded: 07 Aug 2026

What is the common name for the compound NaCl?

  • A Baking soda
  • B Table salt
  • C Washing soda
  • D Epsom salt
92
Easy ppsc nts Uploaded: 14 Jul 2026

What is the chemical symbol for lead?

  • A Pb
  • B Ld
  • C Le
  • D Li
93
Easy nts Uploaded: 07 Aug 2026

Which of these is a noble gas?

  • A Argon
  • B Bromine
  • C Sulfur
  • D Chlorine
94
Easy ppsc Uploaded: 04 Sep 2026

What is the SI unit of molar concentration?

  • A g/mol
  • B mol/L
  • C mol/kg
  • D g/L
95
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

What is the chemical formula for ozone, the molecule that forms the protective layer in the stratosphere?

  • A O
  • B O2
  • C O3
  • D O4
96
Easy fpsc Uploaded: 06 Aug 2026

What is the common name for sodium bicarbonate?

  • A Caustic soda
  • B Washing soda
  • C Baking soda
  • D Bleaching powder
97
Easy nts Uploaded: 04 Sep 2026

What is the strongest type of acid based on ionization?

  • A Amphoteric acid
  • B Diprotic acid
  • C Strong acid
  • D Weak acid
98
Easy fpsc ppsc nts Uploaded: 05 Aug 2026

What is the IUPAC name for CH3-CH2-OH the simplest alcohol found in beverages?

  • A Methanol
  • B Propanol
  • C Butanol
  • D Ethanol
99
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

Which test is used to detect the presence of starch using iodine solution?

  • A Benedict's test
  • B Biuret test
  • C Iodine test
  • D Flame test
100
Easy nts Uploaded: 07 Aug 2026

What is the chemical name for vinegar's active ingredient?

  • A Formic acid
  • B Citric acid
  • C Ethanol
  • D Acetic acid
Practiced MCQs0 / 129