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NTS MCQs

National Testing Service — Complete MCQ Bank

1,949 Questions
Exam Preparation Guide

How to prepare for NTS

NTS tests evaluate aptitude, analytical reasoning, quantitative ability, English and subject knowledge for admissions, scholarships and recruitment.

EnglishQuantitative SkillsAnalytical ReasoningSubject Knowledge
Practice under a timer and review weak areas after every test to improve both speed and accuracy.
NTS preparation illustration
1061
Chemistry Medium Uploaded: 14 Jul 2026

What is the chemical name of the compound with formula CuSO4?

  • ACopper sulfide
  • BCopper sulfite
  • CCopper carbonate
  • DCopper sulfate
1062
Chemistry Medium Uploaded: 14 Jul 2026

Which element is a semiconductor and is the main component of computer chips?

  • ACarbon
  • BGermanium
  • CSilicon
  • DGallium
1063
Chemistry Medium Uploaded: 14 Jul 2026

What is the chemical formula for washing soda used in cleaning?

  • ANaHCO3
  • BNaCl
  • CNa2CO3
  • DNaOH
1064
Chemistry Medium Uploaded: 14 Jul 2026

Which type of reaction absorbs energy from the surroundings causing the temperature to fall?

  • AEndothermic
  • BExothermic
  • CDisplacement
  • DCombustion
1065
Chemistry Medium Uploaded: 14 Jul 2026

Which type of reaction releases energy to the surroundings causing the temperature to rise?

  • AEndothermic
  • BReversible
  • CEquilibrium
  • DExothermic
1066
Chemistry Easy Uploaded: 14 Jul 2026

What is the SI unit of the amount of substance in chemistry?

  • AGram
  • BLitre
  • CKilogram
  • DMole
1067
Chemistry Medium Uploaded: 14 Jul 2026

Which type of reaction occurs when a more reactive metal displaces a less reactive metal from its salt solution?

  • ADecomposition
  • BNeutralisation
  • CCombustion
  • DDisplacement
1068
Chemistry Medium Uploaded: 14 Jul 2026

Which polymer is used to make plastic water bottles and is identified by recycling code 1?

  • APET polyethylene terephthalate
  • BPVC
  • CPolystyrene
  • DPolypropylene
1069
Chemistry Medium Uploaded: 14 Jul 2026

What is the chemical name of aspirin widely used as a pain reliever?

  • AParacetamol
  • BAcetylsalicylic acid
  • CIbuprofen
  • DSalicylic acid
1070
Chemistry Easy Uploaded: 14 Jul 2026

What is the chemical formula for hydrogen peroxide commonly used as an antiseptic?

  • AH2O2
  • BH2O
  • CH3O2
  • DHO2