Chemistry for nursing entrance exams worksheet with answers

Free printable Chemistry for nursing entrance exams worksheet: 8 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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1.Easy

According to the Arrhenius definition, what does a base produce in water?

  1. AHydroxide ions (OH⁻)
  2. BChloride ions (Cl⁻)
  3. CCarbonate ions (CO₃²⁻)
  4. DHydrogen ions (H⁺)
2.Easy

Which of these is a polyatomic ion?

  1. AChloride, Cl⁻
  2. BSulfate, SO₄²⁻
  3. CSodium, Na⁺
  4. DOxide, O²⁻
3.Easy

What should a student always wear to protect the eyes when working with chemicals?

  1. ASafety goggles
  2. BContact lenses
  3. CReading glasses
  4. DSunglasses
4.Medium

Why do noble gases rarely react?

  1. ATheir atoms are much larger than other atoms
  2. BTheir outer electron shells are already full
  3. CThey have no electrons at all
  4. DThey are all radioactive
5.Medium

Which kind of reaction is Zn + 2HCl → ZnCl₂ + H₂?

  1. ADouble replacement
  2. BDecomposition
  3. CSynthesis
  4. DSingle replacement
6.Medium

Which assumption is made about an ideal gas?

  1. AIts particles stay still at room temperature
  2. BIts particles have no attraction to each other
  3. CIts particles lose energy in every collision
  4. DIts particles are large, closely packed and strongly attracted
7.Hard

A sealed bag of crisps (potato chips) packed at sea level looks puffed up when it is carried to a high mountain. Why?

  1. AThe bag becomes thinner and weaker at altitude
  2. BMore gas is produced by the crisps at altitude
  3. CThe outside air pressure is lower, so the gas inside expands
  4. DThe gas inside the bag is heated strongly by the mountain sunlight
8.Hard

How many grams of NaCl are in 250 mL of 0.9% (w/v) normal saline?

  1. A2.25 g
  2. B22.5 g
  3. C0.9 g
  4. D9 g

Answer key

  1. 1. A · Hydroxide ions (OH⁻)
  2. 2. B · Sulfate, SO₄²⁻
  3. 3. A · Safety goggles
  4. 4. B · Their outer electron shells are already full
  5. 5. D · Single replacement
  6. 6. B · Its particles have no attraction to each other
  7. 7. C · The outside air pressure is lower, so the gas inside expands
  8. 8. A · 2.25 g

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