Lembar kerja Kimia untuk ujian masuk keperawatan dengan jawaban

Apa sebutan untuk perubahan dari cair menjadi gas?

1. APelelehan
2. BPenguapan
3. CPembekuan
4. DPengembunan

What does the octet rule state?

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

Air garam adalah contoh jenis materi apa?

1. AUnsur murni
2. BCampuran heterogen
3. CCampuran homogen (larutan)
4. DSenyawa

How should the volume of water in a graduated cylinder be read?

1. AFrom above the cylinder, at the top edge of the curved surface
2. BAt eye level, from the bottom of the curved surface (meniscus)
3. CFrom below, at the highest point the water touches the glass
4. DAt any angle, from the middle of the cylinder

Which coefficients balance __Na + __Cl₂ → __NaCl?

1. A1, 1, 1
2. B2, 1, 2
3. C1, 2, 1
4. D2, 2, 1

Which bond joins amino acids together in a protein?

1. AA hydrogen bond
2. BA peptide bond
3. CAn ionic bond
4. DA glycosidic bond

In the reaction 2Na + Cl₂ → 2NaCl, which substance is the oxidising agent?

1. ANaCl
2. BNa
3. CNa⁺
4. DCl₂

Why is incomplete combustion of fuel in a poorly ventilated room dangerous?

1. AIt produces water vapour, which is toxic
2. BIt produces extra oxygen, which damages the lining of the lungs over time
3. CIt produces carbon monoxide, which binds to haemoglobin and blocks oxygen transport
4. DIt produces nitrogen, which replaces oxygen in the blood