Give Reason: Graphite is Used to Make a Lead of the Pencils.

Give reason: Graphite is used to make a lead of the pencils.

One Line Answer

Graphite leaves mark on the paper and makes it black.

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

Chapter 4 Elements, Compounds, Symbols And Formulae
Exercise 3 | Q 3.2

Choose the most appropriate answer

A solvent of Iodine is

Name: an Inert Gas

Give two examples of the following.

Non-metals which are solids

Give two examples of the following.
Non-metals which are lustrous

Name: Two substances used to make electric wires

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

A gaseous non-metal.

Give the name of the radical - OH

With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.

Select the correct answer from A, B, C, D & E for the statement given below :

A non-metal that is lustrous.