Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

Which element makes up the largest share of the human body by mass?

1. ACarbon
2. BNitrogen
3. COxygen
4. DHydrogen

What is the SI unit of energy?

1. ANewton
2. BKelvin
3. CWatt
4. DJoule

A food Calorie (written with a capital C) equals which amount of energy?

1. A1 kilocalorie
2. B1 joule
3. C1 kilojoule (1000 J)
4. D1 calorie

How does electronegativity change going down a group?

1. AIt doubles with each period
2. BIt decreases
3. CIt stays the same
4. DIt increases

Buz erirken buzlu suyun sıcaklığına ne olur?

1. A0 °C'nin altına düşer
2. BTüm buz eriyene kadar 0 °C'de kalır
3. CBütün süre boyunca düzenli olarak yükselir
4. DHemen 100 °C'ye yükselir

In the reaction Zn + Cu²⁺ → Zn²⁺ + Cu, which species loses electrons?

1. ACu
2. BZn²⁺
3. CZn
4. DCu²⁺

Under which conditions does a real gas behave least like an ideal gas?

1. AHigh temperature and large container
2. BHigh pressure and low temperature
3. CLow pressure and high temperature
4. DLow pressure and low volume of particles

Diamond is extremely hard and has a very high melting point. Which explanation is correct?

1. AIt is made of separate small molecules with strong forces between them
2. BEach carbon is covalently bonded to four others in a giant network
3. CIt contains delocalised electrons like a metal
4. DIt is held together by ionic bonds between C⁺ and C⁻ ions