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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
1071
Chemistry Medium Uploaded: 14 Jul 2026

Which reaction type involves the breaking of a large molecule into smaller ones?

  • ASynthesis
  • BDisplacement
  • CDecomposition
  • DNeutralisation
1072
Chemistry Medium Uploaded: 14 Jul 2026

Which type of hydrocarbon contains at least one carbon to carbon double bond?

  • AAlkane
  • BAlkyne
  • CAlkene
  • DArene
1073
Chemistry Easy Uploaded: 14 Jul 2026

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

  • AEthane
  • BButane
  • CPropane
  • DMethane
1074
Chemistry Medium Uploaded: 14 Jul 2026

Which type of organic compounds contain only carbon and hydrogen atoms?

  • AHydrocarbons
  • BAlcohols
  • CCarbohydrates
  • DCarboxylic acids
1075
Chemistry Medium Uploaded: 14 Jul 2026

What is the chemical formula for nitric acid used in fertiliser and explosive manufacturing?

  • AH2SO4
  • BHCl
  • CH3PO4
  • DHNO3
1076
Chemistry Easy Uploaded: 14 Jul 2026

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

  • ARespiration
  • BTranspiration
  • CPhotosynthesis
  • DDecomposition
1077
Chemistry Easy Uploaded: 14 Jul 2026

Which noble gas is used in glowing advertising signs giving a reddish-orange colour?

  • AArgon
  • BHelium
  • CNeon
  • DKrypton
1078
Chemistry Easy Uploaded: 14 Jul 2026

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

  • AO
  • BO2
  • CO3
  • DO4
1079
Chemistry Medium Uploaded: 14 Jul 2026

Which gas is responsible for the distinctive smell of rotten eggs?

  • AMethane
  • BHydrogen sulfide
  • CAmmonia
  • DSulfur dioxide
1080
Chemistry Easy Uploaded: 14 Jul 2026

What is the chemical name for baking soda commonly used in cooking?

  • ASodium hydroxide
  • BSodium carbonate
  • CSodium chloride
  • DSodium bicarbonate