Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

AB → A + B tepkimesi hangi tür tepkimeyi gösterir?

1. ABirleşme (sentez) tepkimesi
2. BAyrışma tepkimesi
3. CÇift yer değiştirme tepkimesi
4. DNötrleşme tepkimesi

Standard atmospheric pressure (1 atm) is equal to how many millimetres of mercury?

1. A1000 mmHg
2. B760 mmHg
3. C100 mmHg
4. D120 mmHg

According to collision theory, what must happen for particles to react?

1. AThey must both be in the solid state at the same time
2. BThey must collide with enough energy and the right orientation
3. CThey must stay completely still next to each other
4. DThey must have the same mass

When a nucleus emits a beta particle, how do its mass number and atomic number change?

1. AMass number rises by 1 and atomic number stays the same
2. BMass number falls by 4 and atomic number falls by 2
3. CBoth fall by 1
4. DMass number stays the same and atomic number rises by 1

A red blood cell is placed in a concentrated (hypertonic) salt solution. What happens?

1. ASalt leaves the cell, which swells
2. BWater leaves the cell, which shrinks
3. CThe cell stays the same size and shape
4. DWater enters the cell, which swells and may burst

How many moles of gas are in 44,8 L at STP (0 °C and 1 atm)?

1. A22,4 mol
2. B44,8 mol
3. C2 mol
4. D0,5 mol

Which pair of substances could form a buffer solution?

1. AHydrochloric acid (HCl) and sodium hydroxide (NaOH)
2. BCarbonic acid (H₂CO₃) and bicarbonate (HCO₃⁻)
3. CSodium chloride (NaCl) and water
4. DHydrochloric acid (HCl) and chloride (Cl⁻)

In the fission reaction ²³⁵U + ¹n → ¹⁴¹Ba + ⁹²Kr + ? ¹n, how many neutrons are released?

1. A3
2. B4
3. C1
4. D2