Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

Which group contains the alkaline earth metals, such as magnesium and calcium?

1. AGroup 17
2. BGroup 18
3. CGroup 2
4. DGroup 1

What does the law of conservation of mass state?

1. AThe mass of products is always greater than the mass of reactants
2. BMass is neither created nor destroyed in a chemical reaction
3. CGases have no mass
4. DMass is lost as heat in every reaction

What is an element?

1. AA particle with an electric charge
2. BA physical mixture of different substances
3. CA substance made of only one kind of atom
4. DA substance of two or more elements chemically bonded together

Glucose has the molecular formula C₆H₁₂O₆. What is its empirical formula?

1. AC₂H₄O₂
2. BCHO
3. CCH₂O
4. DC₆H₁₂O₆

Which element has the most metallic character?

1. AAluminium (Al)
2. BChlorine (Cl)
3. CCaesium (Cs)
4. DSodium (Na)

Which type of radiation can be stopped by a sheet of paper?

1. AX-rays
2. BAlpha particles
3. CGamma rays
4. DBeta particles (fast electrons)

Which coefficients balance the equation for cellular respiration, __C₆H₁₂O₆ + __O₂ → __CO₂ + __H₂O?

1. A1, 3, 6, 6
2. B2, 6, 12, 6
3. C1, 6, 6, 12
4. D1, 6, 6, 6

Which compound contains both ionic and covalent bonds?

1. ASodium sulfate, Na₂SO₄
2. BWater, H₂O
3. CSodium chloride, NaCl
4. DMethane, CH₄