Free AFNS Chemistry Practice Tests Online – Score High in Initial Exam!
If you are preparing for the Armed Forces Nursing Services (AFNS) initial chemistry tests and aiming to achieve high scores, you have come to the right place! The chemistry portion of the AFNS exam covers fundamental concepts from matric (9th & 10th grade) to intermediate (11th & 12th grade) level.
To help you succeed, we offer free access to comprehensive chemistry test preparation materials, including practice questions, solved past papers, and mock tests based on previous AFNS exams. With our free online practice platform, you can strengthen your understanding of key topics, identify weak areas, and improve your test-taking skills—all without any cost. Start your preparation today and boost your chances of excelling in the AFNS chemistry tests!
AFNS Chemistry Past Papers Solved – Most Repeated MCQs
Q. Which metal is brittle?
(A) Sodium
(B) Aluminium
(C) Selenium
(D) Magnesium
Answer: (C) Selenium
Q. Which metal burns with a brick red flame in air on heating?
(A) Sodium
(B) Magnesium
(C) Iron
(D) Calcium
Answer: (D) Calcium
Q. Which is the most reactive metal?
(A) Iron
(B) Gold
(C) Cesium
(D) Aluminium
Answer: (C) Cesium
Q. Which is the least conductor of heat?
(A) Iron
(B) Gold
(C) Silver
(D) Lead
Answer: (D) Lead
Q. Which non-metal is extremely hard?
(A) Graphite
(B) Phosphorous
(C) Iodine
(D) Diamond
Answer: (D) Diamond
Q. Sodium is extremely reactive but does not react with:
(A) Hydrogen
(B) Nitrogen
(C) Sulphur
(D) Phosphorus
Answer: (B) Nitrogen
Q. Which non-metal is lustrous?
(A) Iodine
(B) Sulphur
(C) Carbon
(D) Phosphorus
Answer: (A) Iodine
Q. Which is the lightest element?
(A) Lithium
(B) Sodium
(C) Magnesium
(D) Calcium
Answer: (A) Lithium
Q. What is the melting point of sodium metal?
(A) 97°C
(B) 100°C
(C) 110°C
(D) 200°C
Answer: (A) 97°C
Q. Metals react with oxygen to form:
(A) Acidic oxides
(B) Basic oxides
(C) Amphoteric oxides
(D) Carbon mono oxides
Answer: (B) Basic oxides
Q. Elements in group 2 of the periodic table are called:
(A) Alkaline earth metals
(B) Alkali metals
(C) Halogens
(D) Transition metals
Answer: (A) Alkaline earth metals
Q. Which is the most precious metal?
(A) Silver
(B) Gold
(C) Platinum
(D) Iron
Answer: (C) Platinum
Q. Mercury exists in which state?
(A) Solid
(B) Liquid
(C) Gaseous
(D) Plasma
Answer: (B) Liquid
Q. Which metal is more malleable?
(A) Sodium
(B) Iron
(C) Gold
(D) Silver
Answer: (C) Gold
Q. What is the percentage by weight of nitrogen in the atmosphere?
(A) 78
(B) 76
(C) 77
(D) 79
Answer: (A) 78
Q. Which element does not react with dilute HCl?
(A) Sodium
(B) Potassium
(C) Calcium
(D) Carbon
Answer: (D) Carbon
Q. Why do metals lose electrons easily?
(A) They are more electropositive
(B) They are not good conductors of electricity
(C) They have high electron affinity
(D) They are more electronegative
Answer: (A) They are more electropositive
Q. What is the valence shell electronic configuration of alkali metals?
(A) ns²
(B) ns¹
(C) ns²np⁶
(D) ns²np¹
Answer: (B) ns¹
Notes for AFNS Chemistry Test (Matric to F.Sc Level)
Q. Which element is less malleable?
(A) Sodium
(B) Iron
(C) Gold
(D) Silver
Answer: (A) Sodium
Q. How many elements is the human body composed of?
(A) 28
(B) 26
(C) 27
(D) 25
Answer: (B) 26
Q. Metals can form ions carrying charges:
(A) Uni-positive
(B) Di-positive
(C) Tri-positive
(D) All of these
Answer: (D) All of these
Q. What percentage of Cu is present in sterling silver?
(A) 6.5
(B) 7.8
(C) 7.5
(D) 7.4
Answer: (C) 7.5
Q. Which gas is produced at the cathode?
(A) Cl₂
(B) H₂
(C) O₃
(D) O₂
Answer: (B) H₂
Q. Where is sodium collected in Down’s cell?
(A) At anode
(B) At cathode
(C) In solution
(D) On wires
Answer: (B) At cathode
Q. Which process is reduction?
(A) Removal of hydrogen
(B) Removal of oxygen
(C) Loss of electrons
(D) Addition of oxygen
Answer: (B) Removal of oxygen
Q. Which is a strong electrolyte?
(A) Ca(OH)₂
(B) CH₃COOH
(C) C₆H₆
(D) NaCl
Answer: (D) NaCl
Q. What is the oxidation number of chlorine in KClO₃?
(A) +6
(B) +5
(C) +1
(D) -2
Answer: (B) +5
Q. What is the most common example of corrosion?
(A) Chemical decay
(B) Rusting of Iron
(C) Rusting of Aluminium
(D) Rusting of tin
Answer: (B) Rusting of Iron
Q. Which of these is an oxidation reaction?
(A) K⁺ + e⁻ → K
(B) Cl₂ + 2e⁻ → 2Cl⁻
(C) Fe²⁺ → Fe³⁺ + e⁻
(D) Both A and B
Answer: (C) Fe²⁺ → Fe³⁺ + e⁻
Q. What is the oxidation number of a free element?
(A) 0
(B) +1
(C) +2
(D) -1
Answer: (A) 0
Online Practice of Chemistry Tests (Matric Level)
Q. What is the addition of oxygen during a chemical reaction called?
(A) Reduction
(B) Oxidation
(C) Evaporation
(D) Sublimation
Answer: (B) Oxidation
Q. Which is a weak electrolyte?
(A) NaCl
(B) NaOH
(C) H₂SO₄
(D) CH₃COOH
Answer: (D) CH₃COOH
Q. Pure water is an example of:
(A) Weak electrolyte
(B) Strong electrolyte
(C) Strong acid
(D) Strong base
Answer: (A) Weak electrolyte
Q. What is a species called that reduces another substance by donating electrons?
(A) Oxidizing agent
(B) Reducing agent
(C) Coloring agent
(D) Dehydrating agent
Answer: (B) Reducing agent
Q. Why do non-metals act as oxidizing agents?
(A) They are more electronegative
(B) They are more electropositive
(C) They are neither electropositive nor electronegative
(D) They have low ionization energy
Answer: (A) They are more electronegative
Q. Which electrolyte produces fewer ions in water?
(A) H₂SO₄
(B) NaOH
(C) Ca(OH)₂
(D) NaCl
Answer: (C) Ca(OH)₂
Q. What is the oxidation number of oxygen in peroxides?
(A) Zero
(B) -1
(C) -2
(D) +2
Answer: (B) -1
Q. What is the anode of Down’s cell made of?
(A) Steel
(B) Copper
(C) Zinc
(D) Graphite
Answer: (D) Graphite
Q. What is the oxidation number of oxygen in OF₂?
(A) -1
(B) -2
(C) +1
(D) +2
Answer: (D) +2
Q. What is the oxidation state of sulfur in H₂SO₄?
(A) +3
(B) +5
(C) +6
(D) -6
Answer: (C) +6
Q. In which cell does spontaneous chemical reaction take place?
(A) Electrolytic cell
(B) Galvanic cell
(C) Nelson’s cell
(D) Down’s cell
Answer: (B) Galvanic cell
Q. How many types of electrochemical cells are there?
(A) 2
(B) 3
(C) 4
(D) 5
Answer: (A) 2
Q. What is the oxidation number of hydrogen in HCl?
(A) +1
(B) -1
(C) 0
(D) -2
Answer: (A) +1
Q. What is the oxidation number of hydrogen in metal hydrides?
(A) 0
(B) -1
(C) +1
(D) -2
Answer: (B) -1
Q. What is the process of coating iron with a thin layer of zinc called?
(A) Oxidizing
(B) Reducing
(C) Galvanizing
(D) Alloying
Answer: (C) Galvanizing
Q. Air is an example of which type of solution?
(A) Gas in gas
(B) Gas in solid
(C) Solid in gas
(D) Gas in liquid
Answer: (A) Gas in gas
Q. What causes the Tyndall effect?
(A) Blockage of light
(B) Non-scattering
(C) Passing through
(D) Scattering of light
Answer: (D) Scattering of light
Q. Fog is an example of a solution of:
(A) Liquid in gas
(B) Gas in liquid
(C) Solid in gas
(D) Gas in solid
Answer: (A) Liquid in gas
Q. Which solution contains the most water?
(A) 2M
(B) 1M
(C) 0.5M
(D) 0.25M
Answer: (D) 0.25M
Q. Which is a liquid in solid solution?
(A) Sugar in water
(B) Butter
(C) Alcohol in water
(D) Fog
Answer: (B) Butter
Online Practice of AFNS Chemistry Tests (Intermediate Level)
How to Pass AFNS Chemistry Test? Top Tips & Mock Exams
Q. Metal alloys are:
(A) Solution of solid in gases
(B) Solution of solid in liquid
(C) Solution of solid in solid
(D) Solution of gas in solid
Answer: (C) Solution of solid in solid
Q. Why are paints and ether mixable?
(A) Both are polar
(B) Both are non-polar
(C) Paints are polar but ether is non-polar
(D) Different chemical nature
Answer: (B) Both are non-polar
Q. Which is an example of a true solution?
(A) Starch solution
(B) Toothpaste
(C) Soap solution
(D) Ink in water
Answer: (D) Ink in water
Q. What is the concentrated solution of common salt in water called?
(A) Brine
(B) Benzene
(C) Alcohol
(D) Toluene
Answer: (A) Brine
Q. Which sugar solution is more concentrated?
(A) One molar
(B) Two molar
(C) Three molar
(D) Four molar
Answer: (D) Four molar
Q. Metal alloys are an example of:
(A) Liquid in gas
(B) Gas in liquid
(C) Solid in gas
(D) Solid in solid
Answer: (D) Solid in solid
Q. Which shows negligible temperature effect on solubility?
(A) KCl
(B) KNO₃
(C) NaCl
(D) NaNO₃
Answer: (C) NaCl
Q. Which solution has less water?
(A) 0.25M
(B) 0.50M
(C) 0.60M
(D) 2.0M
Answer: (D) 2.0M
Q. An example of liquid in liquid solution is:
(A) Alcohol in water
(B) Butter in water
(C) Sugar in water
(D) Salt in water
Answer: (A) Alcohol in water
Q. The component present in smaller quantity is called:
(A) Solvent
(B) Saturated solution
(C) Unsaturated solution
(D) Solute
Answer: (D) Solute
Q. Brass is a solid solution of:
(A) Cu + Zn
(B) Cu + Ni
(C) Cu + Fe
(D) Cu + Na
Answer: (A) Cu + Zn
Q. Percentage of oxygen in atmosphere is:
(A) 21
(B) 22
(C) 23
(D) 24
Answer: (A) 21
Q. Which is a heterogeneous mixture?
(A) Milk
(B) Ink
(C) Milk of Magnesia
(D) Sugar solution
Answer: (C) Milk of Magnesia
Q. If 10cm³ alcohol is dissolved in 100g water, it’s called:
(A) %W/W
(B) %W/V
(C) %V/V
(D) %V/W
Answer: (D) %V/W
Q. Mist is an example of:
(A) Solid in gas
(B) Solid in liquid
(C) Liquid in gas
(D) Gas in liquid
Answer: (C) Liquid in gas
Q. In Charles’ Law, “K” equals:
(A) T/V
(B) TV
(C) V/T
(D) P/T
Answer: (C) V/T
Free Online Preparation of AFNS Chemistry Tests for B.Sc Nursing Students
Free Online Practice Tests of AFNS Initial Tests
Join Shaheen Forces Academy for More Updates
Oculus Intelligence 2026
Sharpen your cognitive resolution for the 2026 screening. Access verified Verbal and Non-Verbal reasoning banks for Pakistan Army, Navy, and PAF officer selection.
Army Navy PAF Success Hub
The 2026 high-resolution core for military preparation. Download precision-verified PDF past papers and master ISSB and Cadet College entrance exams with oculus focus.
