Lembaran kerja Kimia untuk peperiksaan kemasukan kejururawatan dengan jawapan

In which state are most metals at room temperature?

1. ASolid
2. BPlasma
3. CLiquid
4. DGas

What are the units of molarity?

1. AMoles of solute per kilogram of the solvent used
2. BMoles of solute per litre of solution (mol/L)
3. CGrams of solute per litre of solution (g/L)
4. DGrams of solute per 100 g of solution

What range does the common pH scale cover?

1. A0 to 100
2. B1 to 10
3. C−7 to +7
4. D0 to 14

How does electronegativity change going down a group?

1. AIt decreases
2. BIt increases
3. CIt stays the same
4. DIt doubles with each period

A solution has a pH of 10. What is its pOH at 25 °C?

1. A14
2. B24
3. C10
4. D4

In a reaction at equilibrium, a product is continuously removed. What happens?

1. AMore product keeps forming as the equilibrium shifts to the right
2. BThe reactants run out immediately
3. CThe equilibrium shifts to the left to form more reactants
4. DThe reaction rate drops to zero

Vitamin C is water-soluble and vitamin D is fat-soluble. What does this suggest about their molecules?

1. AVitamin C is nonpolar, while vitamin D is strongly polar
2. BVitamin C is polar, while vitamin D is mostly nonpolar
3. CBoth are equally polar
4. DBoth are ionic compounds

Samples of hydrogen gas (H₂) and oxygen gas (O₂) are at the same temperature. Which statement is correct?

1. AThey have the same average kinetic energy, but H₂ molecules move faster
2. BH₂ molecules have more kinetic energy and move faster
3. CBoth move at the same average speed
4. DO₂ molecules move faster because they are heavier