Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

Maddenin hangi hâlinde parçacıkların sabit bir şekli ve sabit bir hacmi vardır?

1. ASıvı
2. BGaz
3. CKatı
4. DPlazma

Nötr bir atomun 11 protonu var. Kaç elektronu vardır?

1. A12
2. B22
3. C10
4. D11

What is an electrolyte?

1. AA substance that dissolves as whole molecules without forming any ions
2. BA metal that conducts electricity as a solid
3. CA gas that dissolves in blood
4. DA substance that forms ions and conducts electricity when dissolved in water

What is the oxidation number of an element in its uncombined (elemental) form, such as Fe or O₂?

1. A−1
2. B0
3. C+1
4. DIt equals the group number

Al³⁺ ve O²⁻ iyonlarından oluşan alüminyum oksidin formülü nedir?

1. AAl₂O₃
2. BAlO
3. CAlO₃
4. DAl₃O₂

What is the molar mass of calcium carbonate, CaCO₃ (Ca = 40, C = 12, O = 16 g/mol)?

1. A116 g/mol
2. B68 g/mol
3. C100 g/mol
4. D84 g/mol

A catalyst is added to an exothermic reaction. How does the energy diagram change?

1. AThe peak is lower, but the energy of reactants and products stays the same
2. BThe reactants start at a higher energy
3. CThe reaction becomes endothermic
4. DThe products end up at a lower energy, so more heat is released

Which substance has the lowest boiling point?

1. AIron
2. BHelium
3. CSodium chloride
4. DWater