Lembar kerja Kimia untuk ujian masuk keperawatan dengan jawaban

What are the building blocks (monomers) of proteins?

1. ASimple sugars
2. BAmino acids
3. CNucleotides
4. DFatty acids

Unsur mana yang bersimbol K?

1. AKarbon
2. BKalium
3. CKripton
4. DKalsium

In a chemical equation, what are the reactants?

1. AThe numbers written in front of each formula
2. BThe catalysts written above the arrow
3. CThe new substances formed, written to the right of the arrow
4. DThe starting substances, written to the left of the arrow

Which assumption is made about an ideal gas?

1. AIts particles stay still at room temperature
2. BIts particles are large, closely packed and strongly attracted
3. CIts particles lose energy in every collision
4. DIts particles have no attraction to each other

What is the name of the molecular compound CO?

1. ACarbon monoxide
2. BMonocarbon oxide
3. CCarbon oxide
4. DCarbon dioxide

Koefisien mana yang menyetarakan persamaan __H₂ + __O₂ → __H₂O?

1. A2, 2, 2
2. B2, 1, 2
3. C1, 1, 1
4. D1, 2, 1

An unknown element is shiny, conducts electricity, and reacts vigorously with water to form a basic solution and hydrogen gas. In which group is it most likely?

1. AGroup 14 (carbon group)
2. BGroup 18 (noble gases)
3. CGroup 17 (halogens)
4. DGroup 1 (alkali metals)

Why is it easier to remove the outer electron from a potassium atom than from a lithium atom?

1. APotassium's outer electron is farther from the nucleus and more shielded by inner electrons
2. BPotassium has fewer protons, so its nucleus pulls much more weakly on every electron
3. CLithium has more electron shells than potassium
4. DPotassium's outer electron is in a full shell