Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

Which mixture is a suspension?

1. AOxygen dissolved in water
2. BSand stirred into water
3. CSugar dissolved in water
4. DSalt dissolved in water

Where are the metalloids found on the periodic table?

1. AIn group 1, at the far left edge of the table
2. BIn group 18, at the far right edge of the table
3. CAlong the staircase line between the metals and the nonmetals
4. DIn the two separate rows at the bottom of the table

Suyun kimyasal formülü nedir?

1. AH₂O
2. BOH
3. CHO₂
4. DH₂O₂

What is the mass of 0,5 mol of NaCl (molar mass 58,5 g/mol)?

1. A0,5 g
2. B117 g
3. C29,25 g
4. D58,5 g

How does dissolving salt in water affect the water's boiling point?

1. AIt lowers the boiling point slightly
2. BIt raises the boiling point slightly
3. CIt has no effect on the boiling point
4. DIt makes the water boil at room temperature

88 g karbondioksitte (mol kütlesi 44 g/mol) kaç mol vardır?

1. A44 mol
2. B2 mol
3. C0,5 mol
4. D3872 mol

In the reaction NaCl(aq) + AgNO₃(aq) → AgCl(s) + NaNO₃(aq), which ions are spectator ions?

1. AAg⁺ and Cl⁻
2. BNa⁺ and Cl⁻
3. CAg⁺ and NO₃⁻
4. DNa⁺ and NO₃⁻

Steel can be protected from rusting by coating it with zinc (galvanising). Why does the steel stay protected even if the zinc coating is scratched?

1. AZinc absorbs all the water from the air
2. BZinc is more reactive than iron, so it corrodes instead of the iron
3. CZinc is less reactive than iron, so it pushes oxygen and water away from the iron
4. DZinc turns the iron into a noble metal