These Chemistry questions for Nursing Entrance exam are all from O’Level topics.
We have also covered each of the Chemistry topic with detailed explanation in our study notes.
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Nursing Entrance Chemistry questions
Attempt the questions before checking the correct answer and explanation.
1. Which of the following is a chemical change?
A. Cutting of paper
B. Dissolving sugar in water
C. Boiling of water
D. Burning of candle
SEE #1 ANSWER ✅
Chemical change or reaction forms an entirely new substances and are not easily reversed.
During a chemical change, the chemical bonds between atoms are broken and rearranged. Because a new substance is formed, these changes are usually permanent and cannot be easily reversed by simple physical means (like filtering or cooling).
2. Isotopes are atoms of the same element with _____
A. the same mass number but different atomic numbers
B. the same atomic number but different mass numbers
C. different numbers of protons
D. different chemical properties
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Students in the same grade may have very different reading levels. Grouping helps the teacher manage the task and provide relevant support for each level.
3. The symbol for the element gold is _____
A. Go
B. Gd
C. Au
D. Ag
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Zone of Proximal Development (ZPD) is that middle (support) gap between what a learner can do independently and what they can’t do at all.
4. Which of the following compounds contains a double covalent bond?
A. H₂O
B. NH₃
C. O₂
D. NaCl
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Daily classroom routines are consistent procedures a teacher establishes for repeated tasks (like entering the room, submitting assignments or transitioning between subjects).
5. Which of the following is an example of a weak base?
A. Sodium hydroxide (NaOH)
B. Potassium hydroxide (KOH)
C. Ammonia solution (NH₃)
D. Calcium hydroxide (Ca(OH)₂)
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“Balanced” means a mix of evaluation types (Formative: quiz, assignment, project and Summative: final test).
6. Which of the following is a decomposition reaction?
A. 2H₂ + O₂ → 2H₂O
B. 2H₂O → 2H₂ + O₂
C. NaOH + HCl → NaCl + H₂O
D. Fe + S → FeS
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Social Reconstructionism is a philosophy of education that views schools as a powerful tool for social change.
7. Which of the following is used as a disinfectant and antiseptic?
A. Methane
B. Ethanol
C. Propane
D. Butane
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“Active supervision” is critical in a multi-grade classroom (where one teacher teaches students of different grade levels in the same room).
8. Temporary hardness in water can be removed by _____
A. adding salt
B. boiling
C. filtering
D. adding acid
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When learners help create the rules, they are more likely to follow them and a visible display acts as a constant, silent reminder.
Which of the following is used to test for the presence of starch?
A. Benedict's solution
B. Iodine solution
C. Fehling's solution
D. Lime water
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Multi-grade teaching is when one teacher is responsible for students of different grade levels in the same classroom. The challenge is often finding ways to teach each level without leaving the other idle or overwhelmed.
10. The process used to separate two miscible liquids with different boiling points is _____
A. filtration
B. fractional distillation
C. crystallisation
D. chromatography
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This is called horizontal marking and is considered best in professional or high-stakes exam because it ensures reliability and reduces bias.
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