Chemistry NMDCAT MCQs Limiting and Excess Reactants

nmdcat.online July 2, 2026

42. A limiting reactant problem fundamentally involves a comparison of the

A. Molecular weights of all species

B. Mole ratio of reactants available to the mole ratio required by the balanced equation

✓

C. Physical states of the reactants

D. Total mass of the reaction mixture

📝 Explanation

Limiting reactants are identified by comparing available and required mole ratios.

📖 Additional Information

Molecular weights of all species
Mole ratio of reactants available to the mole ratio required by the balanced equation
Physical states of the reactants
Total mass of the reaction mixture

Limiting reactants are identified by comparing available and required mole ratios.

🔗 Share This Question

Facebook Twitter LinkedIn WhatsApp

🧭 Navigate Questions

Previous Question

41. In the reaction SiO₂ + 2C → Si + 2CO, 120 g of SiO₂ and 36 g of carbon are heated. The mass of silicon produced is (Si = 28, O = 16, C = 12)

Next Question

43. During the reaction 2NO + O₂ → 2NO₂, 60 g of NO and 32 g of O₂ are mixed. The number of moles of NO₂ formed is

Back to All Questions

🔗 Related MCQs

Among the following statements, the most appropriate explanation for expressing chemical amounts in moles is

Regarding representative particles, one mole of calcium ions contains

During the reaction N₂ + 3H₂ → 2NH₃, complete reaction of 44.8 L of nitrogen gas at STP produces

Under standard conditions, 89.6 L of oxygen gas corresponds to

Regarding the balanced equation 2K + 2H₂O → 2KOH + H₂, complete reaction of 8 moles of potassium produces

Categories

AA Physics
141
BIO by M Tahir ( Lecturer Al Azhar )
50
- virus chapter
  50
BIO NMDCAT
1895
- ACELLULAR LIFR
  20
- AIDS and HIV Infection
  50
- Biological Importance of Water
  95
- BIOLOGICAL MOLECULES
  126
- Brain
  25
- Carbohydrates
  100
- cell membrane
  70
- CELL STRUCTURE & FUNCTION
  100
- Chromosomes
  76
- Concept of Evolution
  50
- Conjugated molecules
  100
- Cytoplasmic Organelles
  75
- Darwinism
  50
- ENZYMES
  108
- Factors that Affect the Rate of Enzyme Reactions
  60
- Human skeleton
  40
- Inhibitors
  40
- Lamarckism
  50
- Lipids
  45
- Mode of Enzyme Action
  60
- Muscles
  70
- Neurons
  41
- Proteins
  95
- Receptors
  40
- Respiration
  15
- Ribonucleic acid (RNA)
  100
- Sexually transmitted diseases
  50
- Structure of DNA
  98
- Viruses
  46
BS Nursing
5385
- Adult health nursing -II
  149
- Anatomy & Physiology -II
  150
- Anatomy & Physiology 1
  78
- Applied Nutrition
  25
- Behavioral Psychology
  48
- Bio chemistry for nurses
  164
- Clinical Practicum
  200
- Community Health Nursing -I
  200
- Community Health Nursing-I
  200
- Community Health-II
  200
- Computer skills
  200
- Critical Care Nursing
  194
- Cultural Health & Society
  200
- Developmental Psychology
  200
- English -VI ( Academic Writing )
  210
- English 1 Fundamental
  228
- Epidemiology
  200
- fundamentals of nursing
  51
- Health Assessment 1
  141
- Introduction To Biostatistics
  195
- Introduction to Nursing
  174
- Islamiat
  324
- Leadership and management in Nursing
  142
- MCQSt of Patho 1 First three unites
  35
- Microbiology
  120
- Nursing Ethics
  199
- Nursing Research
  48
- Pak Study
  19
- Pathophysiology
  141
- Pathophysiology-II
  197
- Pediatric Health Nursing-II
  200
- Pharmacology-I
  251
- Teaching Learning Principles & Practice
  580
Chemistry NMDCAT MCQs
305
- Limiting and Excess Reactants
  74
- Moles and Avogadro's Numbers
  150
- Moles and Avogadro’s Numbers
  120
- Yield
  80
Computer
217
- Power Point
  217
direct and indirect narrations
1
English NMDCAT
3266
- ADJECTIVES
  51
- ADVERB AND ITS TYPES
  51
- Adverb placement and sentence structure
  80
- Antonyms
  51
- Articles
  61
- CAPATILIZATION
  31
- cataphoric and anaphoric reference
  80
- CLAUSES
  61
- CLUASES AND PHRASES POSTIONING
  111
- colon
  61
- Common Article Errors
  51
- Common Grammatical Errors
  51
- CONJUNCTION
  71
- Contextual Vocabulary
  1
- COORDINATING CONJUCTION
  51
- CORELATIVE CONJUNCTION
  61
- Correcting Tense Errors
  31
- Dash & Hyphen
  51
- direct and indirect narrations
  80
- English MCQS by Abdul Mateen Subject specialist
  40
- Figurative Language & Literary Devices
  31
- Gerunds and Gerund Phrases
  60
- Gerunds and Gerund Phrases mdcat
  59
- Homonyms
  101
- Homophones
  31
- Identifying Sentence Errors
  30
- Inference-based MCQs from the passages
  20
- MCQs – Infinitives and Infinitive Phrases mdcat
  121
- MCQs – Synonyms & Semantic Nuance mdcat
  97
- Misused Words and Phrases
  20
- NOUN
  80
- ORDER OF ADJECTIVES
  99
- Phrasal verbs
  208
- Prefixes and Suffixes
  39
- Prepositions
  30
- PRHASES
  107
- Pronoun Antecedent Agreement
  140
- Punctuation
  169
- Reading Comprehension
  59
- Scanning and Locating Information
  80
- Semi-colon
  39
- Sentence Structure
  30
- Sentence Structure & Inversion NMDCAT
  30
- Subject Verb Agreement
  20
- Synonyms
  40
- Tenses
  37
- Transitional Devices
  99
- Types of Sentences
  46
- Use of Tenses
  29
- Verb & Verb Phrases
  95
- Word Choice and Style
  39
- Word Formation
  37
- Word Relationships
  38
- Writing Skill and Proofreading
  60