1. What is rust?

1. 什么是铁锈？

a) Iron oxide
a) 氧化铁
b) Copper sulfate
b) 硫酸铜
c) Sodium chloride
c) 氯化钠
d) Calcium carbonate
d) 碳酸钙

2. Which of the following is necessary for rusting to occur?

2. 以下哪项是生锈所必需的？

a) Wind and sunlight
a) 风和阳光
b) Oxygen and water
b) 氧气和水
c) Oil and grease
c) 油和油脂
d) Heat and cold
d) 热和冷

3. Which metal is commonly used for galvanizing to prevent rusting?

3. 镀锌以防锈常用哪种金属？

a) Aluminum
a) 铝
b) Zinc
b) 锌
c) Copper
c) 铜
d) Silver
d) 银

4. When a more reactive metal is used to prevent rusting, it is called:

4. 使用更活泼的金属来防止生锈，被称为：

a) Painting
a) 涂漆
b) Galvanizing
b) 镀锌
c) Sacrificial protection
c) 牺牲保护
d) Electroplating
d) 电镀

5. Which of the following is not a method of preventing rust?

5. 以下哪种方法不是防锈的方法？

a) Applying oil
a) 涂油
b) Galvanizing
b) 镀锌
c) Sacrificial protection
c) 牺牲保护
d) Freezing the iron
d) 冻结铁

6. What is galvanizing?

6. 什么是镀锌？

a) Coating iron with plastic
a) 给铁镀塑料
b) Coating iron with zinc
b) 给铁镀锌
c) Coating iron with copper
c) 给铁镀铜
d) Coating iron with silver
d) 给铁镀银

7. Which of the following is an example of sacrificial protection?

7. 以下哪项是牺牲保护的例子？

a) Coating iron with grease
a) 涂油脂在铁上
b) Painting iron surfaces
b) 在铁表面涂漆
c) Using a zinc block attached to iron structures underwater
c) 使用锌块附在水下铁结构上
d) Using iron nails
d) 使用铁钉

8. What happens if you leave iron in water and air for a long time?

8. 如果长时间将铁放在水和空气中会发生什么？

a) It becomes stronger
a) 它会变得更强
b) It becomes lighter
b) 它会变轻
c) It rusts
c) 它会生锈
d) It gets shiny
d) 它会变得有光泽

9. Which method uses oil or grease to prevent rusting?

9. 哪种方法使用油或油脂来防止生锈？

a) Galvanizing
a) 镀锌
b) Painting
b) 涂漆
c) Applying lubricants
c) 涂润滑油
d) Sacrificial protection
d) 牺牲保护

10. What product is formed when iron reacts with oxygen and water?

10. 铁与氧气和水反应时形成什么产物？

a) Aluminum oxide
a) 氧化铝
b) Rust or iron oxide
b) 铁锈或氧化铁
c) Magnesium chloride
c) 氯化镁
d) Copper sulfate
d) 硫酸铜

11. What is the chemical formula of rust?

11. 铁锈的化学式是什么？

a) Fe2O3
a) Fe2O3
b) NaCl
b) NaCl
c) H2O
c) H2O
d) CO2
d) CO2

12. What is the word equation for the rusting of iron?

12. 铁生锈的文字方程式是什么？

a) Iron + Water --> Iron oxide
a) 铁 + 水 --> 氧化铁
b) Iron + Oxygen + Water --> Iron oxide
b) 铁 + 氧气 + 水 --> 氧化铁
c) Iron + Copper + Water --> Rust
c) 铁 + 铜 + 水 --> 铁锈
d) Iron + Zinc + Water --> Rust
d) 铁 + 锌 + 水 --> 铁锈

13. What is the symbolic equation for the rusting of iron?

13. 铁生锈的符号方程式是什么？

a) Fe + H2O --> FeO
a) Fe + H2O --> FeO
b) Fe + O2 + H2O --> Fe(OH)3
b) Fe + O2 + H2O --> Fe(OH)3
c) Fe + O2 + H2O --> Fe2O3
c) Fe + O2 + H2O --> Fe2O3
d) Fe2 + O2 + H2O --> Fe2O3
d) Fe2 + O2 + H2O --> Fe2O3

1. Rusting is a process where reacts with oxygen and water to form rust.

1. 生锈是一个 与氧气和水反应形成铁锈的过程。

2. is a method where a layer of zinc is coated on the steel or iron to prevent rusting.

2. 是一种在钢或铁上涂一层锌以防止生锈的方法。

3. In the method called protection, a more reactive metal is placed with iron to protect it from rusting.

3. 在称为 保护的方法中，一个更活泼的金属与铁一起放置以保护它不生锈。

4. Painting and applying are common ways to prevent rusting of iron or steel.

4. 涂漆和涂 是防止铁或钢生锈的常用方法。

5. Rusting mainly affects metals made of .

5. 生锈主要影响由 制成的金属。

6. The chemical formula for rust is .

6. 铁锈的化学式是 .

7. The word equation for the rusting process is iron + oxygen + water --> .

7. 生锈过程的文字方程式是铁 + 氧气 + 水 --> .

8. The symbolic equation for the rusting process is Fe + O2 + H2O --> .

8. 生锈过程的符号方程式是 Fe + O2 + H2O --> .

Match the terms on the left with their correct descriptions on the right.

将左边的术语与右边的正确描述配对。

1. Galvanizing

1. 镀锌

Select 选择 A method of rust prevention involving a more reactive metal. 一种涉及更活泼金属的防锈方法。 Coating iron with zinc to prevent rusting. 用锌涂覆铁以防止生锈。 Essential element for rusting to occur. 生锈必需的元素。 Essential element for rusting to occur along with oxygen. 与氧气一起生锈必需的元素。 Result of iron reacting with oxygen and water. 铁与氧气和水反应的结果。 Covers metal surfaces to block oxygen and water. 覆盖金属表面以阻挡氧气和水。 Lubricates and protects metal surfaces from exposure to water and oxygen. 润滑和保护金属表面免受水和氧气的侵蚀。 Metal that rusts when exposed to water and oxygen. 暴露在水和氧气中生锈的金属。 Chemical formula for rust. 铁锈的化学式。 The name of the compound formed when iron rusts. 铁生锈时形成的化合物的名称。

2. Sacrificial Protection

2. 牺牲保护

Select 选择 A method of rust prevention involving a more reactive metal. 一种涉及更活泼金属的防锈方法。 Coating iron with zinc to prevent rusting. 用锌涂覆铁以防止生锈。 Essential element for rusting to occur. 生锈必需的元素。 Essential element for rusting to occur along with oxygen. 与氧气一起生锈必需的元素。 Result of iron reacting with oxygen and water. 铁与氧气和水反应的结果。 Covers metal surfaces to block oxygen and water. 覆盖金属表面以阻挡氧气和水。 Lubricates and protects metal surfaces from exposure to water and oxygen. 润滑和保护金属表面免受水和氧气的侵蚀。 Metal that rusts when exposed to water and oxygen. 暴露在水和氧气中生锈的金属。 Chemical formula for rust. 铁锈的化学式。 The name of the compound formed when iron rusts. 铁生锈时形成的化合物的名称。

3. Oxygen

3. 氧气

Select 选择 A method of rust prevention involving a more reactive metal. 一种涉及更活泼金属的防锈方法。 Coating iron with zinc to prevent rusting. 用锌涂覆铁以防止生锈。 Essential element for rusting to occur. 生锈必需的元素。 Essential element for rusting to occur along with oxygen. 与氧气一起生锈必需的元素。 Result of iron reacting with oxygen and water. 铁与氧气和水反应的结果。 Covers metal surfaces to block oxygen and water. 覆盖金属表面以阻挡氧气和水。 Lubricates and protects metal surfaces from exposure to water and oxygen. 润滑和保护金属表面免受水和氧气的侵蚀。 Metal that rusts when exposed to water and oxygen. 暴露在水和氧气中生锈的金属。 Chemical formula for rust. 铁锈的化学式。 The name of the compound formed when iron rusts. 铁生锈时形成的化合物的名称。

4. Water

4. 水

Select 选择 A method of rust prevention involving a more reactive metal. 一种涉及更活泼金属的防锈方法。 Coating iron with zinc to prevent rusting. 用锌涂覆铁以防止生锈。 Essential element for rusting to occur. 生锈必需的元素。 Essential element for rusting to occur along with oxygen. 与氧气一起生锈必需的元素。 Result of iron reacting with oxygen and water. 铁与氧气和水反应的结果。 Covers metal surfaces to block oxygen and water. 覆盖金属表面以阻挡氧气和水。 Lubricates and protects metal surfaces from exposure to water and oxygen. 润滑和保护金属表面免受水和氧气的侵蚀。 Metal that rusts when exposed to water and oxygen. 暴露在水和氧气中生锈的金属。 Chemical formula for rust. 铁锈的化学式。 The name of the compound formed when iron rusts. 铁生锈时形成的化合物的名称。

5. Rust

5. 铁锈

Select 选择 A method of rust prevention involving a more reactive metal. 一种涉及更活泼金属的防锈方法。 Coating iron with zinc to prevent rusting. 用锌涂覆铁以防止生锈。 Essential element for rusting to occur. 生锈必需的元素。 Essential element for rusting to occur along with oxygen. 与氧气一起生锈必需的元素。 Result of iron reacting with oxygen and water. 铁与氧气和水反应的结果。 Covers metal surfaces to block oxygen and water. 覆盖金属表面以阻挡氧气和水。 Lubricates and protects metal surfaces from exposure to water and oxygen. 润滑和保护金属表面免受水和氧气的侵蚀。 Metal that rusts when exposed to water and oxygen. 暴露在水和氧气中生锈的金属。 Chemical formula for rust. 铁锈的化学式。 The name of the compound formed when iron rusts. 铁生锈时形成的化合物的名称。

6. Painting

6. 涂漆

Select 选择 A method of rust prevention involving a more reactive metal. 一种涉及更活泼金属的防锈方法。 Coating iron with zinc to prevent rusting. 用锌涂覆铁以防止生锈。 Essential element for rusting to occur. 生锈必需的元素。 Essential element for rusting to occur along with oxygen. 与氧气一起生锈必需的元素。 Result of iron reacting with oxygen and water. 铁与氧气和水反应的结果。 Covers metal surfaces to block oxygen and water. 覆盖金属表面以阻挡氧气和水。 Lubricates and protects metal surfaces from exposure to water and oxygen. 润滑和保护金属表面免受水和氧气的侵蚀。 Metal that rusts when exposed to water and oxygen. 暴露在水和氧气中生锈的金属。 Chemical formula for rust. 铁锈的化学式。 The name of the compound formed when iron rusts. 铁生锈时形成的化合物的名称。

7. Applying oil or grease

7. 涂油或油脂

Select 选择 A method of rust prevention involving a more reactive metal. 一种涉及更活泼金属的防锈方法。 Coating iron with zinc to prevent rusting. 用锌涂覆铁以防止生锈。 Essential element for rusting to occur. 生锈必需的元素。 Essential element for rusting to occur along with oxygen. 与氧气一起生锈必需的元素。 Result of iron reacting with oxygen and water. 铁与氧气和水反应的结果。 Covers metal surfaces to block oxygen and water. 覆盖金属表面以阻挡氧气和水。 Lubricates and protects metal surfaces from exposure to water and oxygen. 润滑和保护金属表面免受水和氧气的侵蚀。 Metal that rusts when exposed to water and oxygen. 暴露在水和氧气中生锈的金属。 Chemical formula for rust. 铁锈的化学式。 The name of the compound formed when iron rusts. 铁生锈时形成的化合物的名称。

8. Iron

8. 铁

Select 选择 A method of rust prevention involving a more reactive metal. 一种涉及更活泼金属的防锈方法。 Coating iron with zinc to prevent rusting. 用锌涂覆铁以防止生锈。 Essential element for rusting to occur. 生锈必需的元素。 Essential element for rusting to occur along with oxygen. 与氧气一起生锈必需的元素。 Result of iron reacting with oxygen and water. 铁与氧气和水反应的结果。 Covers metal surfaces to block oxygen and water. 覆盖金属表面以阻挡氧气和水。 Lubricates and protects metal surfaces from exposure to water and oxygen. 润滑和保护金属表面免受水和氧气的侵蚀。 Metal that rusts when exposed to water and oxygen. 暴露在水和氧气中生锈的金属。 Chemical formula for rust. 铁锈的化学式。 The name of the compound formed when iron rusts. 铁生锈时形成的化合物的名称。

9. Fe2O3

9. Fe2O3

Select 选择 A method of rust prevention involving a more reactive metal. 一种涉及更活泼金属的防锈方法。 Coating iron with zinc to prevent rusting. 用锌涂覆铁以防止生锈。 Essential element for rusting to occur. 生锈必需的元素。 Essential element for rusting to occur along with oxygen. 与氧气一起生锈必需的元素。 Result of iron reacting with oxygen and water. 铁与氧气和水反应的结果。 Covers metal surfaces to block oxygen and water. 覆盖金属表面以阻挡氧气和水。 Lubricates and protects metal surfaces from exposure to water and oxygen. 润滑和保护金属表面免受水和氧气的侵蚀。 Metal that rusts when exposed to water and oxygen. 暴露在水和氧气中生锈的金属。 Chemical formula for rust. 铁锈的化学式。 The name of the compound formed when iron rusts. 铁生锈时形成的化合物的名称。

10. Iron oxide

10. 氧化铁

Select 选择 A method of rust prevention involving a more reactive metal. 一种涉及更活泼金属的防锈方法。 Coating iron with zinc to prevent rusting. 用锌涂覆铁以防止生锈。 Essential element for rusting to occur. 生锈必需的元素。 Essential element for rusting to occur along with oxygen. 与氧气一起生锈必需的元素。 Result of iron reacting with oxygen and water. 铁与氧气和水反应的结果。 Covers metal surfaces to block oxygen and water. 覆盖金属表面以阻挡氧气和水。 Lubricates and protects metal surfaces from exposure to water and oxygen. 润滑和保护金属表面免受水和氧气的侵蚀。 Metal that rusts when exposed to water and oxygen. 暴露在水和氧气中生锈的金属。 Chemical formula for rust. 铁锈的化学式。 The name of the compound formed when iron rusts. 铁生锈时形成的化合物的名称。