ورقة عمل الكيمياء لامتحانات القبول في التمريض مع الإجابات

Which functional group is found in all alcohols?

1. ACarboxyl group (–COOH)
2. BAmino group (–NH₂)
3. CCarbonyl group (C=O) only
4. DHydroxyl group (–OH)

Where are the transition metals located on the periodic table?

1. AIn group 1 on the far left
2. BIn the central block, groups 3 to 12
3. CIn group 18 on the far right
4. DAbove the noble gases

Which acid is found in the stomach?

1. ANitric acid
2. BHydrochloric acid
3. CSulfuric acid
4. DAcetic acid

What is the shape of a water molecule?

1. AFlat triangle
2. BLinear
3. CBent
4. DTetrahedral

What is the mass of 0,5 mol of NaCl (molar mass 58,5 g/mol)?

1. A29,25 g
2. B58,5 g
3. C117 g
4. D0,5 g

Water climbs up a narrow glass tube. Which property mainly causes this?

1. AWater's high boiling point
2. BAdhesion of water to the glass
3. CEvaporation of water from the tube
4. DLow density of water

A solution of acetic acid conducts electricity only weakly, while hydrochloric acid of the same concentration conducts strongly. Why?

1. AAcetic acid does not dissolve in water at all
2. BAcetic acid only partly ionises, so it forms fewer ions
3. CHydrochloric acid contains metal atoms
4. DAcetic acid forms more ions than hydrochloric acid does

Na⁺, Mg²⁺, F⁻ and O²⁻ all have 10 electrons. Which ion is the largest?

1. ANa⁺
2. BF⁻
3. CO²⁻
4. DMg²⁺