Which of following methods is suitable for preventing an iron frying pan from rusting ?

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3. Metals and Non-metals

easy

Which of the following methods is suitable for preventing an iron frying pan from rusting ?

Applying a coating of zinc

Applying grease

Applying paint

all of the above.

Solution

Applying a coating of zinc

(We can also apply grease and paint to prevent iron from rusting. However, in case of iron frying pan, grease and paint cannot be applied because when the pan will be heated and washed again and again, the coating of grease and paint would get destroyed.)

Standard 10

Science

Define the following terms.

$(i)$ Mineral $(ii)$ Ore $(iii)$ Gangue

medium

You are given a hammer, a battery, a bulb, wires and a switch.

$(a)$ How could you use them to distinguish between samples of metals and non-metals ?

$(b)$ Assess the usefulness of these tests in distinguishing between metals and non-metals.

medium

Differentiate between metal and non-metal on the basis of their chemical properties.

hard

Why is sodium kept immersed in kerosene oil ?

easy

Why do ionic compounds have high melting points ?

easy

Which of the following methods is suitable for preventing an iron frying pan from rusting ?

Solution

Similar Questions

Define the following terms. $(i)$ Mineral $(ii)$ Ore $(iii)$ Gangue

You are given a hammer, a battery, a bulb, wires and a switch. $(a)$ How could you use them to distinguish between samples of metals and non-metals ? $(b)$ Assess the usefulness of these tests in distinguishing between metals and non-metals.

Differentiate between metal and non-metal on the basis of their chemical properties.

Why is sodium kept immersed in kerosene oil ?

Why do ionic compounds have high melting points ?

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Define the following terms.

$(i)$ Mineral $(ii)$ Ore $(iii)$ Gangue

You are given a hammer, a battery, a bulb, wires and a switch.

$(a)$ How could you use them to distinguish between samples of metals and non-metals ?

$(b)$ Assess the usefulness of these tests in distinguishing between metals and non-metals.