Scheda di esercizi di Chimica per i test di ammissione a infermieristica con soluzioni

Scheda di esercizi di Chimica per i test di ammissione a infermieristica gratuita e stampabile: 8 esercizi dal livello facile a quello d’esame, con le soluzioni. Stampala o salvala come PDF.

Per i docenti: gratuita da stampare, copiare e usare in classe. Ogni nuova scheda ha nuovi valori e le sue soluzioni. Un link a ExamProblems nella pagina del corso è molto apprezzato.

Nome: ____________________   Data: ____________

1.Facile

Which unit is commonly used for the density of a liquid?

  1. Ag/mL
  2. Bg·mL
  3. Ckg
  4. DmL/g
2.Facile

What is the molar mass of oxygen gas, O₂ (O = 16 g/mol)?

  1. A8 g/mol
  2. B16 g/mol
  3. C32 g/mol
  4. D48 g/mol
3.Facile

In which state are most metals at room temperature?

  1. ALiquid
  2. BSolid
  3. CPlasma
  4. DGas
4.Media

Why does ice float on liquid water?

  1. AIce contains trapped air from the freezer
  2. BIce is denser than liquid water
  3. CIce is less dense than liquid water
  4. DIce has a higher mass than the same volume of water
5.Media

Nitrogen is in group 15 of the periodic table. How many valence electrons does a nitrogen atom have?

  1. A15
  2. B7
  3. C3
  4. D5
6.Media

How many lone (non-bonding) pairs of electrons are on the oxygen atom in a water molecule?

  1. A2
  2. B0
  3. C4
  4. D1
7.Difficile

How many grams of NaCl are in 250 mL of 0,9% (w/v) normal saline?

  1. A9 g
  2. B22,5 g
  3. C0,9 g
  4. D2,25 g
8.Difficile

Hydrogen peroxide fizzes when poured on a cut because an enzyme in blood breaks it down. What gas is produced, and what type of reaction is it?

  1. AHydrogen, in a single replacement reaction
  2. BCarbon dioxide, in a combustion reaction
  3. COxygen, in a decomposition reaction
  4. DChlorine, in a synthesis reaction

Soluzioni

  1. 1. A · g/mL
  2. 2. C · 32 g/mol
  3. 3. B · Solid
  4. 4. C · Ice is less dense than liquid water
  5. 5. D · 5
  6. 6. A · 2
  7. 7. D · 2,25 g
  8. 8. C · Oxygen, in a decomposition reaction

Soluzioni complete passo passo: esercitati su questo argomento su examproblems.com.