Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

Charles's law describes the relationship between which two properties of a gas, at constant pressure?

1. APressure and volume
2. BDensity and mass
3. CPressure and number of moles
4. DVolume and temperature

What is the name for the attraction of water molecules to each other?

1. ACohesion
2. BDiffusion
3. CAdhesion
4. DOsmosis

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

1. AFiltration
2. BDistillation
3. CSieving
4. DUsing a magnet

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

1. A0,5 mol
2. B22,4 mol
3. C2 mol
4. D44,8 mol

How does a mixture of iron filings and sulfur powder differ from the compound iron sulfide?

1. AThe compound keeps the magnetic properties of iron
2. BThe mixture has a fixed ratio of iron to sulfur
3. CThe mixture can be separated physically, for example with a magnet
4. DThe mixture is formed by a chemical reaction between the two elements

2Mg + O₂ → 2MgO tepkimesinde hangi madde yükseltgenir?

1. AMagnezyum, çünkü elektron kazanır
2. BOksijen, çünkü elektron kaybeder
3. CHiçbirinin yükü değişmez
4. DMagnezyum, çünkü elektron kaybeder

Bir elementin elektron dizilişi 2, 8, 7'dir. En olası olarak hangi iyonu oluşturur?

1. A7+ yüklü bir iyon
2. B1+ yüklü bir iyon
3. C1− yüklü bir iyon
4. D2− yüklü bir iyon

Hydrogen peroxide fizzes when poured on a cut because an enzyme in blood breaks it down. What gas is produced, and what type of reaction is it?

1. AOxygen, in a decomposition reaction
2. BCarbon dioxide, in a combustion reaction
3. CChlorine, in a synthesis reaction
4. DHydrogen, in a single replacement reaction