Химия для вступительных экзаменов на сестринские программы: лист заданий с ответами

Where are the metalloids found on the periodic table?

1. AIn the two separate rows at the bottom of the table
2. BIn group 18, at the far right edge of the table
3. CIn group 1, at the far left edge of the table
4. DAlong the staircase line between the metals and the nonmetals

Where are the transition metals located on the periodic table?

1. AIn group 1 on the far left
2. BIn the central block, groups 3 to 12
3. CIn group 18 on the far right
4. DAbove the noble gases

What causes the pressure of a gas in a container?

1. AThe weight of the container pressing on the gas inside
2. BGas particles colliding with the container walls
3. CGas particles sticking to the walls
4. DGas particles stopping and pushing outward

How does ionisation energy (the energy needed to remove an outer electron) generally change from left to right across a period?

1. AIt increases
2. BIt stays the same
3. CIt decreases
4. DIt first falls, then rises sharply

At 20 °C, about 36 g of NaCl dissolves in 100 g of water. If 50 g of NaCl is stirred into 100 g of water at 20 °C, what happens?

1. AAbout 14 g dissolves and about 36 g stays undissolved
2. BAll 50 g dissolves
3. CNone of the salt dissolves
4. DAbout 36 g dissolves and about 14 g stays undissolved

Which gas forms when hydrochloric acid reacts with calcium carbonate?

1. AHydrogen
2. BCarbon dioxide
3. CChlorine
4. DOxygen

Какова молярная масса глюкозы C₆H₁₂O₆ (C = 12, H = 1, O = 16 г/моль)?

1. A96 г/моль
2. B180 г/моль
3. C168 г/моль
4. D29 г/моль

Сколько граммов аммиака (17 г/моль) по уравнению N₂ + 3H₂ → 2NH₃ можно получить из 1 моль N₂ при избытке водорода?

1. A28 г
2. B34 г
3. C51 г
4. D17 г