Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

DNA belongs to which group of biological molecules?

1. AProteins
2. BCarbohydrates
3. CNucleic acids
4. DLipids

Which quantity is the same for 1 mole of any substance?

1. AThe number of atoms per molecule
2. BThe number of particles
3. CThe mass in grams
4. DThe volume as a liquid

Between which kinds of elements do covalent bonds usually form?

1. ATwo nonmetals
2. BA metal and a noble gas
3. CA metal and a nonmetal
4. DTwo group 1 metals

Oksijen gazı (O₂) molekülünde ne tür bir bağ bulunur?

1. APolar kovalent tek bağ
2. BMetalik bağ
3. CApolar kovalent çift bağ
4. Dİyonik bağ

Sert, kapalı bir kapta bir gaz ısıtıldığında basıncına ne olur?

1. AArtar
2. BSıfıra düşer
3. CAynı kalır
4. DAzalır

How does evaporation differ from boiling?

1. AEvaporation produces a solid, while boiling produces a gas
2. BEvaporation needs a higher temperature than boiling
3. CEvaporation happens throughout the liquid at a set temperature; boiling happens only at the surface
4. DEvaporation happens only at the surface and at any temperature; boiling happens throughout the liquid at a set temperature

Equal masses of sand and water sit in the sun and absorb the same amount of heat. Which warms up more, and why?

1. ABoth warm equally, because they absorbed the same heat
2. BWater, because it has a higher specific heat capacity than sand
3. CSand, because it has a lower specific heat capacity than water
4. DSand, because it has a higher specific heat capacity than water

Bir metal bir asitle tepkimeye giriyor ve çıtırtılı bir sesle yanan bir gaz çıkıyor. Bu hangi gazdır?

1. AHidrojen
2. BKarbondioksit
3. CAzot
4. DOksijen