Werkblad Scheikunde voor toelatingsexamens verpleegkunde met antwoorden

Hoe heet het zout in een zoutoplossing?

1. ADe opgeloste stof
2. BDe katalysator
3. CHet oplosmiddel
4. DHet neerslag

What is the formula of sulfuric acid?

1. AH₂SO₃
2. BH₂SO₄
3. CHCl
4. DHNO₃

What does the octet rule state?

1. AAn atom can form a maximum of 8 covalent bonds
2. BEvery stable atom has exactly 8 protons in its nucleus
3. CAtoms tend to gain, lose or share electrons to get 8 outer electrons
4. DEvery stable molecule contains exactly 8 atoms

Which statement describes a saturated fat?

1. AIt contains no carbon atoms
2. BIt is always liquid at room temperature
3. CIts fatty acid chains have no carbon–carbon double bonds
4. DIts fatty acid chains have many carbon–carbon double bonds

How is 0,00045 written in scientific notation?

1. A4,5 × 10⁻⁴
2. B4,5 × 10⁴
3. C4,5 × 10⁻³
4. D4,5 × 10⁻⁵

2 mol glucose wordt in water opgelost tot 4 liter oplossing. Wat is de molariteit?

1. A2 M
2. B4 M
3. C8 M
4. D0,5 M

Starch and cellulose are both made entirely of glucose units, yet humans can digest starch but not cellulose. Why?

1. AThe glucose units are linked differently, and humans lack an enzyme to break cellulose's links
2. BStarch contains nitrogen, which makes it easier to digest
3. CCellulose dissolves in water, so it is lost from the gut
4. DCellulose is really made of amino acids, not glucose, so stomach acid cannot break it

Bij 2H₂ + O₂ → 2H₂O reageert 4 g waterstof (molaire massa 2 g/mol) met veel zuurstof. Welke massa water ontstaat er (molaire massa 18 g/mol)?

1. A18 g
2. B72 g
3. C4 g
4. D36 g