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WorksheetsScience Tournament - Acid and Alkali Revision
Total questions: 15
Worksheet time: 9mins
Which of the following acids are commonly used in the school laboratory?
以下哪些是實驗室內常用的酸？
(1) and (2)
(1) and (3)
(2) and (3)
(1), (2) and (3)
Which of the following statements about litmus is correct? 以下哪項有關石蕊的敍述是正確的？
Litmus paper can indicate the acidity or alkalinity of a substance. 石蕊試紙能顯示物質的酸鹼度
Litmus solution can be used to distinguish acids and alkalis. 石蕊溶液可用來分辨酸和鹼
Acidic solutions turn red litmus paper blue. 酸性溶液可以使紅色石蕊試紙變為藍色
Neutral solutions turn blue litmus paper red. 中性溶液可以使藍色石蕊試紙變為紅色
Which of the following indicators can be used to determine the pH value of a solution most accurately? 以下哪種指示劑所顯示的溶液pH值最準確？
Universal indicator 通用指示劑
Blue litmus藍色石蕊
pH paper - pH試紙
pH meter- pH 計
Which of the following statements about pH value is/are correct? 以下哪項（些）有關pH值的敍述是正確的？
(1)
(3)
(1) and (2)
(1),(2) and (3)
Which of the following combinations is INCORRECT? 下哪個有關物質及其pH值的組合是不正確的？
A
B
C
D
Which of the following statements about pH meter is INCORRECT? 以下哪項有關pH計的敍述是不正確的？
A pH meter is more expensive than universal indicator solution.
pH計比通用指示劑溶液昂貴。
A pH meter can be reused while pH paper cannot.
pH計可重複使用，但pH試紙則不能。
A pH meter can be used to measure the pH value of a liquid with a deep colour. pH計可用來量度深色液體的pH值。
Before each measurement, we should replace the probe of a pH meter with a new one. 量度每種物質前，必須把pH計的探測器更換。
Which of the following household cleansing agents contains acid? 以下哪種家居清潔劑含有酸？
Glass cleaner
玻璃清潔劑
Toilet cleaner
廁所清潔劑
Drain cleaner
通渠劑
Oven cleaner
焗爐清潔劑
Which of the following is/are application(s) of neutralization? 以下哪項（些）是中和作用的應用？
(1)
(1) and (2)
(2) and (3)
(1), (2) and (3)
According to the graph, what is the volume of sodium hydroxide solution needed to completely neutralize the hydrochloric acid? 根據上圖，要把稀氫氯酸完全中和，需要多少氫氧化鈉溶液？
6 cm3
8 cm3
10 cm3
12 cm3
Which of the following combinations is correct? 以下哪個有關X和Y的組合是正確的？
A
B
C
D
Which of the following are properties of alkalis? 以下哪項（些）是鹼的特性？
(1)
(1) and (3)
(2) and (3)
(1), (2) and (3)
Which of the following statements about acid rain is correct? 以下哪項有關酸雨的敍述是正確的？
Its pH value is 5.6. 它的pH值是5.6。
It is formed when carbon dioxide dissolves in rainwater. 它的形成是由於二氧化碳溶在雨水中。
The burning of fossil fuels is the main cause of acid rain. 燃燒化石燃料是形成酸雨的主要原因。
Carbon monoxide is the main gas that causes acid rain. 一氧化碳是造成酸雨的主要氣體。
Substance X reacts with hydrochloric acid to form hydrogen. Which of the following is possibly X? 物質X會與稀氫氯酸產生反應，並釋出氫。物質X可能是
Zinc 鋅
Copper 銅
Limestone 石灰石
Sand砂粒
When diluting concentrated acids or alkalis in laboratory, we should稀釋濃酸或濃鹼時，我們應
(1) and (2)
(1) and (3)
(2) and (3)
(1), (2) and (3)
以下哪項有關酸與金屬反應的敍述是正確的？Which of the following statements about the reaction between acids and metals is correct?
Oxygen is given out during the reaction. 過程中會釋出氧
Heat is given out during the reaction. 過程中會釋出熱
Acids react with all metals at the same rate. 酸與各金屬的反應速率相同
Acids react with all metals to produce the same salt. 酸會與所有金屬發生反應
