Phiếu bài tập Hóa học cho kỳ thi đầu vào điều dưỡng có đáp án

Which acid is found in the stomach?

1. ASulfuric acid
2. BAcetic acid
3. CNitric acid
4. DHydrochloric acid

Which form of sugar dissolves fastest in a cup of tea?

1. AGranulated sugar
2. BA large lump of rock sugar
3. CA sugar cube
4. DAll forms dissolve at the same rate

What is the change from a gas directly to a solid, skipping the liquid state, called?

1. ASublimation
2. BCondensation
3. CDeposition
4. DFreezing

Vì sao khí hiếm hiếm khi phản ứng?

1. AChúng hoàn toàn không có electron
2. BNguyên tử của chúng lớn hơn nhiều so với các nguyên tử khác
3. CLớp electron ngoài cùng của chúng đã đầy
4. DTất cả chúng đều phóng xạ

How does an antacid tablet relieve heartburn caused by excess stomach acid?

1. AA weak base in it neutralises some of the acid
2. BAn acid in it lowers the stomach pH further
3. CIt coats the stomach and stops all acid production
4. DIt turns the acid into a gas that is absorbed

What is 380 mmHg in atmospheres?

1. A0,38 atm
2. B0,5 atm
3. C2 atm
4. D380 atm

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

1. A2, 6, 12, 6
2. B1, 6, 6, 6
3. C1, 3, 6, 6
4. D1, 6, 6, 12

Hyperbaric oxygen therapy places a patient in a chamber with oxygen at higher than normal pressure. Why does this raise the oxygen dissolved in blood plasma?

1. AHigher pressure turns the oxygen into a liquid
2. BGas solubility in a liquid increases with the partial pressure of the gas
3. CHigher pressure lowers body temperature, so the blood can hold much more gas
4. DHigher pressure makes red blood cells divide faster