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Chemistry MCQs

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

Atomic StructureChemical BondingReactionsOrganic Chemistry
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61
Easy nts Uploaded: 07 Aug 2026

Which of the following is an alkaline earth metal?

  • A Potassium
  • B Sodium
  • C Calcium
  • D Aluminium
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62
Easy ppsc nts Uploaded: 14 Jul 2026

What is the chemical formula for common table salt?

  • A KCl
  • B CaCl2
  • C MgCl2
  • D NaCl
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63
Easy nts Uploaded: 04 Sep 2026

Charles's Law states that at constant pressure, volume is directly proportional to:

  • A Absolute temperature
  • B Pressure
  • C Number of moles
  • D Molar mass
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64
Easy nts Uploaded: 07 Aug 2026

What is the atomic number of an element determined by?

  • A Number of neutrons
  • B Number of protons
  • C Number of electrons
  • D Atomic mass
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65
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

What is the process by which plants use carbon dioxide and water to make glucose using sunlight?

  • A Respiration
  • B Transpiration
  • C Photosynthesis
  • D Decomposition
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