Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

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

1. AOsmosis
2. BCohesion
3. CAdhesion
4. DDiffusion

What is an acid–base indicator?

1. AA substance that changes colour depending on pH
2. BA substance that neutralises every acid
3. CA gas given off by acids
4. DA device that measures temperature

What is an alpha particle made of?

1. A2 protons and 2 neutrons
2. BA single high-energy electron
3. CPure electromagnetic energy
4. D1 proton and 1 electron

Magnesium forms Mg²⁺ ions and oxygen forms O²⁻ ions. What is the formula of magnesium oxide?

1. AMg₂O
2. BMgO₂
3. CMgO
4. DMg₂O₂

Radioactive iodine (iodine-131) is used to treat some thyroid conditions. Why does it reach the thyroid?

1. AIodine-131 is not radioactive inside the body
2. BThe thyroid gland takes up iodine to make its hormones
3. CRadiation is always drawn toward the head
4. DIodine is strongly attracted to the metal ions stored in the neck

Buz erirken buzlu suyun sıcaklığına ne olur?

1. ABütün süre boyunca düzenli olarak yükselir
2. BTüm buz eriyene kadar 0 °C'de kalır
3. C0 °C'nin altına düşer
4. DHemen 100 °C'ye yükselir

An element has the electron arrangement 2, 8, 8, 2. Where is it on the periodic table?

1. AGroup 8, period 2
2. BGroup 4, period 2
3. CGroup 2, period 4
4. DGroup 2, period 2

What is the net ionic equation for the neutralisation of any strong acid by any strong base?

1. ANa⁺ + Cl⁻ → NaCl
2. BH₂ + O₂ → H₂O₂
3. CH⁺ + Cl⁻ → HCl
4. DH⁺ + OH⁻ → H₂O