Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

A cleaning solution has a pH of 12. How is it described?

1. AStrongly acidic
2. BNeutral
3. CStrongly basic
4. DWeakly acidic

Which method separates two liquids with different boiling points, such as alcohol and water?

1. AFiltration
2. BDistillation
3. CUsing a magnet
4. DSieving

What is the change from a gas to a liquid called?

1. AEvaporation
2. BFreezing
3. CSublimation
4. DCondensation

Which statement describes a saturated fat?

1. AIts fatty acid chains have no carbon–carbon double bonds
2. BIts fatty acid chains have many carbon–carbon double bonds
3. CIt is always liquid at room temperature
4. DIt contains no carbon atoms

Normal saline (0,9% NaCl) is used for IV fluids. How is it described compared with blood?

1. AHypotonic
2. BIsotonic
3. CSaturated
4. DHypertonic

For the gas reaction N₂ + 3H₂ ⇌ 2NH₃, what is the effect of increasing the pressure?

1. AThe equilibrium shifts to the right, toward NH₃
2. BThe equilibrium shifts to the left, toward N₂ and H₂
3. CThere is no effect on the equilibrium
4. DThe NH₃ breaks down completely

Aynı elementin iki izotopu hangi özellikte farklıdır?

1. AAtom numarası
2. BNötr atomdaki elektron sayısı
3. CKatıldıkları kimyasal tepkimeler
4. DKütle numarası

Why is incomplete combustion of fuel in a poorly ventilated room dangerous?

1. AIt produces nitrogen, which replaces oxygen in the blood
2. BIt produces water vapour, which is toxic
3. CIt produces extra oxygen, which damages the lining of the lungs over time
4. DIt produces carbon monoxide, which binds to haemoglobin and blocks oxygen transport