Give Reason: Argon is Filled in Electric Bulbs. - Chemistry

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.

shaalaa.com

Is there an error in this question or solution?

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

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

Match the columns.

column A	column B
1. to separate grain from chaff	a. filtration
2. to saparate sawdust from water	b. sedimentation and deeantation
3. to separate iodine from sodium chloride	c. winnowing
4. to separate iron fillings from sand	d.sublimation
5. it is used to separate sand and water	e maganetic separation
	f .handpicking

What are the advantages of chromatography?

Give two examples of Metals.

Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?

Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because

Differentiate between the terms –
elements, compounds & mixtures.

Select the correct answer from the choice given below.
An impure substance

Write the names of elements from the following symbol:

Select the correct answer to the statement given below:

The chemical name for dinitrogen oxide [N₂0].

Give the chemical formula for cane sugar.