Give Reason: Argon is Filled in Electric Bulbs.

Give reason: Argon is filled in electric bulbs.

One Line Answer

Argon is an inert gas and protects the element of bulb from oxidation and burning. Hence increases bulb’s life.

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Chapter 4: Elements, Compounds, Symbols And Formulae - Exercise 3

Chapter 4 Elements, Compounds, Symbols And Formulae
Exercise 3 | Q 3.3

Define mixture.

Fill in the blan

An ________ is a homogeneous mixture of two or more metals.

Name: a Non-metal Which is a Good Conductor of Electricity.

Give two examples of the following.
Metals which are soft

Give two examples of the following.
Inert gases

What is meant by H₂0 and 3H₂O

Answer the following question:
When iron is mixed with sulphur at room temperature, it does not form a compound. Why?

Indicate whether the following statement is true or false:
Molecules can exist independently.

Select the correct answer to the statement given below:

The chemical name for dinitrogen oxide [N₂0].

Assertion: Air is a mixture of elements only.

Reason: Only nitrogen, oxygen and neon gases exist in air.