Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

What is a beta particle?

1. AA wave of visible light
2. BA helium nucleus with two protons and two neutrons
3. CA high-energy electron released from a nucleus
4. DA neutron that leaves the nucleus

Sıvıdan gaza geçişe ne denir?

1. ABuharlaşma
2. BErime
3. CDonma
4. DYoğuşma

What is a cation?

1. AA negatively charged ion
2. BA neutral atom
3. CA molecule with no charge
4. DA positively charged ion

Which element has chemical properties most similar to calcium?

1. AScandium
2. BCarbon
3. CPotassium
4. DMagnesium

The amino acid glycine has an –NH₂ group and a –COOH group. What are these two groups called?

1. AA hydroxyl group and a methyl group
2. BAn amino group and a carboxyl group
3. CA phosphate group and a hydroxyl group
4. DA carbonyl group and an ester group

On an energy diagram, the products are at a lower energy than the reactants. What kind of reaction is shown?

1. AEndothermic
2. BExothermic
3. CNuclear
4. DReversible only

In the fission reaction ²³⁵U + ¹n → ¹⁴¹Ba + ⁹²Kr + ? ¹n, how many neutrons are released?

1. A1
2. B3
3. C4
4. D2

A mixture contains sand, salt and water. Which sequence separates all three?

1. AFilter to remove the sand, then distil the filtrate to collect water and leave salt
2. BDistil first to remove the sand, then filter out the salt
3. CUse a magnet to remove the salt, then filter the sand
4. DEvaporate all the water first, then filter the salt away from the dry sand