Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

What kind of carbon–carbon bonds do alkanes contain?

1. AAt least one double bond
2. BAt least one triple bond
3. CIonic bonds
4. DOnly single bonds

What is the change from a liquid to a solid called?

1. ACondensation
2. BEvaporation
3. CFreezing
4. DMelting

Hangi madde bir bazdır?

1. ALimon suyu (sitrik asit)
2. BSirke (asetik asit)
3. CSodyum hidroksit (NaOH)
4. DHidroklorik asit (HCl)

A student tests how temperature affects the rate of a reaction. What is the independent variable?

1. AThe volume of acid, which is kept the same
2. BThe type of beaker used
3. CThe reaction rate
4. DThe temperature

What is the mass of 0,5 mol of NaCl (molar mass 58,5 g/mol)?

1. A117 g
2. B0,5 g
3. C29,25 g
4. D58,5 g

What feature makes a hydrocarbon an alkene?

1. AOnly carbon–carbon single bonds
2. BAt least one carbon–carbon double bond
3. CA ring of six carbon atoms with no hydrogen
4. DAn –OH group

Zinc reacts as Zn + 2HCl → ZnCl₂ + H₂. What mass of zinc (65 g/mol) reacts completely with 50 mL of 2 M HCl?

1. A3,25 g
2. B65 g
3. C1,63 g
4. D6,5 g

In the reaction NaCl(aq) + AgNO₃(aq) → AgCl(s) + NaNO₃(aq), which ions are spectator ions?

1. AAg⁺ and Cl⁻
2. BNa⁺ and NO₃⁻
3. CAg⁺ and NO₃⁻
4. DNa⁺ and Cl⁻