CH.14 (14MC)

1. 下列哪些是酸的性質？

(1) 它們與碳酸鉀反應生成鹽、二氧化碳和水。

(2) 它們與銅反應生成氫和鹽。

(3) 它們溶於水時會生成氫離子。

A. 只有(1)和(2)

B. 只有(1)和(3)

C. 只有(2)和(3)

D. (1)、(2)和(3)

1. Which of the following are the characteristics of acids?

(1) They react with potassium carbonate to form salt, carbon dioxide and water.

(2) They react with copper to form hydrogen and salt.

(3) They produce hydrogen ions when dissolved in water.

A. (1) and (2) only

B. (1) and (3) only

C. (2) and (3) only

D. (1), (2) and (3)

• A

• B

• C

• D

2. 下列哪項有關純酸的陳述正確？

A. 它們是共價化合物。

B. 它們含有氫離子。

C. 它們在常溫常壓下是液體。

D. 它們具有酸的氣味。

2. Which of the following statements about pure acids is correct?

A. They are covalent compounds.

B. They contain hydrogen ions.

C. They are liquids at room conditions.

D. They have sour smell.

• A

• B

• C

• D

3. 下列哪項不是稀酸的性質？

A. 它能把藍色石蕊試紙變為紅色。

B. 它能與銅反應，釋出氫氣。

C. 它能導電。

D. 它能與碳酸銅(II) 反應，釋出二氧化碳。

3. Which of the following is NOT a characteristic of dilute acids?

A. It turns blue litmus paper red.

B. It reacts with copper to give hydrogen.

C. It conducts electricity.

D. It reacts with copper(II) carbonate to give carbon dioxide.

• A

• B

• C

• D

4. 下列哪種或哪些化合物可與醋反應並生成氣體？

(1) 釘書釘

(2) 發泡膠珠

(3) 熟石灰

A. 只有(1)

B. 只有(2)

C. 只有(1)和(3)

D. 只有(2)和(3)

4. Which of the following compounds react(s) with vinegar and give a gas?

(1) Iron staples

(2) Polystyrene beads

(3) Slaked lime

A. (1) only

B. (2) only

C. (1) and (3) only

D. (2) and (3) only

• A

• B

• C

• D

5. 下列哪種物質與氫氯酸反應，生成無色溶液？

A. CuCO₃

B. Fe(OH)₃

C. MgCO₃

D. AgNO₃

5. Which of the following substances reacts with hydrochloric acid to give a colourless solution?

A. CuCO₃

B. Fe(OH)₃

C. MgCO₃

D. AgNO₃

• A

• B

• C

• D

6. 下列哪些酸是有機酸？

(1) 碳酸

(2) 乙酸

(3) 乳酸

A. 只有(1)和(2)

B. 只有(1)和(3)

C. 只有(2)和(3)

D. (1)、(2)和(3)

6. Which of the following acids are organic acids?

(1) Carbonic acid

(2) Ethanoic acid

(3) Lactic acid

A. (1) and (2) only

B. (1) and (3) only

C. (2) and (3) only

D. (1), (2) and (3)

• A

• B

• C

• D

7. 下列哪條離子方程式正確顯示鎂和稀硫酸的反應？

A. Mg(s) + SO₄^2-(aq) ® MgSO₄(aq)

B. Mg(s) + H₂SO₄(aq) ® Mg²⁺(aq) + SO₄^2-(aq) + H₂(g)

C. Mg(s) + 2H⁺(aq) ® Mg²⁺(aq) + H₂(g)

D. Mg²⁺(aq) + H₂SO₄(aq) ® MgSO₄(aq) + H₂(g)

7. Which of the following ionic equations correctly shows the reaction between magnesium and dilute sulphuric acid?

A. Mg(s) + SO₄^2-(aq) ® MgSO₄(aq)

B. Mg(s) + H₂SO₄(aq) ® Mg²⁺(aq) + SO₄^2-(aq) + H₂(g)

C. Mg(s) + 2H⁺(aq) ® Mg²⁺(aq) + H₂(g)

D. Mg²⁺(aq) + H₂SO₄(aq) ® MgSO₄(aq) + H₂(g)

• A

• B

• C

• D

8. 固體X能與稀硫酸反應，但不會生成水，X是甚麼？

A. 氫氧化鋅

B. 氧化鎂

C. 碳酸鉀

D. 氯化鈣

8. Solid X can react with dilute sulphuric acid but will NOT give water as one of the products. What is X?

A. Zinc hydroxide

B. Magnesium oxide

C. Potassium carbonate

D. Calcium chloride

• A

• B

• C

• D

9. 把過量的稀硫酸加入碳酸鈣會得到下列哪項可觀察變化？

A. 反應會出現泡騰現象，而溶液會變成藍色。

B. 反應會出現泡騰現象，而所生成的氣體使濕潤的紅色石蕊試紙變成藍色。

C. 反應會出現泡騰現象，一段時間後會生成白色固體。

D. 反應會出現泡騰現象，並生成透明溶液。

9. Which of the following are the observable changes when excess sulphuric acid is added to calcium carbonate?

A. Effervescence occurs and the solution turns blue.

B. Effervescence occurs and the gas produced turns moist red litmus paper blue.

C. Effervescence occurs and white solid remains after some time.

D. Effervescence occurs and a clear solution forms.

• A

• B

• C

• D

10. 下列哪個反應不會釋出氣體？

A. 把鋅加入稀硫酸

B. 把碳酸銅(II) 加入稀氫氯酸

C. 在空氣中把氧化銀加熱

D. 把蒸汽通過已加熱的銀

10. Which of the following reactions will NOT produce a gas?

A. Adding zinc to dilute sulphuric acid

B. Adding copper(II) carbonate to dilute hydrochloric acid

C. Heating silver oxide in air

D. Passing steam to heated silver

• A

• B

• C

• D