Lembar kerja Kimia untuk ujian masuk keperawatan dengan jawaban

What is the SI unit of temperature?

1. AJoule
2. BDegree Fahrenheit
3. CKelvin
4. DDegree Celsius

Dalam larutan garam, apa sebutan untuk garamnya?

1. AKatalis
2. BZat terlarut
3. CEndapan
4. DPelarut

What is a precipitate?

1. AA liquid that forms when a solid melts
2. BA gas that bubbles out when two solutions are mixed
3. CA substance that speeds up a reaction
4. DAn insoluble solid that forms when two solutions react

What is the conjugate base of nitric acid, HNO₃?

1. ANO₂⁻
2. BNO₃⁻
3. CHNO₂
4. DH₂NO₃⁺

How much heat is needed to raise the temperature of 100 g of water by 10 °C (specific heat of water = 4,18 J/g·°C)?

1. A4180 J
2. B41,8 J
3. C418 J
4. D41,800 J

Which type of bond holds the two atoms together in a nitrogen molecule, N₂?

1. AA triple covalent bond
2. BA single covalent bond
3. CA double covalent bond
4. DAn ionic bond

Darah dijaga mendekati pH 7,4 oleh larutan penyangga. Jika asam berlebih (H⁺) masuk ke darah, apa yang dilakukan ion bikarbonat (HCO₃⁻)?

1. AMelepaskan lebih banyak ion H⁺ miliknya, membuat darah makin asam
2. BBerubah menjadi natrium klorida
3. CMenaikkan pH menjadi 14
4. DMengikat H⁺ sebagai asam karbonat, sehingga pH hanya turun sedikit

For N₂ + 3H₂ → 2NH₃, 1 mol of N₂ is mixed with 2 mol of H₂. Which reactant is limiting?

1. ANeither, because both are used up exactly
2. BNH₃, because it is the product
3. CH₂, because 1 mol of N₂ would need 3 mol of H₂
4. DN₂, because there is less of it