Iron articles are shiny when new, but get coated with a reddish brown layer when left in open for a long time.

True

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False

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Solution

The correct option is A True
Iron articles are shiny when new, but when left in open, iron reacts with air and moisture. As a result, a flaky brown layer (of iron oxide) forms on its surface. This process is called the rusting of iron. The reddish-brown layer is known as rust.

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Similar questions

Q. Iron articles are shiny when new, but get coated with a reddish brown layer when left in open for a long time.

Iron articles are shiny when new, but get coated with a reddish-brown powder when left for some time.

When some iron objects are kept in moist air for a few days, their surface gets coated with a reddish-brown powdery mass. What is the chemical name given to this mass?

Question 8.

Why do the articles made of iron when placed in moist air get covered with reddish-brown, powdery substance? Is this process a physical or chemical change?

Q. Iron when reacts with moist air forms a reddish brown layer of iron oxide which is known as rust.

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Iron articles are shiny when new, but get coated with a reddish brown layer when left in open for a long time.

The correct option is A TrueIron articles are shiny when new, but when left in open, iron reacts with air and moisture. As a result, a flaky brown layer (of iron oxide) forms on its surface. This process is called the rusting of iron. The reddish-brown layer is known as rust.

The correct option is A True
Iron articles are shiny when new, but when left in open, iron reacts with air and moisture. As a result, a flaky brown layer (of iron oxide) forms on its surface. This process is called the rusting of iron. The reddish-brown layer is known as rust.