Sort the given objects as rough or smooth. Wet soap Coir Feather Stone Glass ball Paperboard Sand paper Plastic spoon

Sort the given objects as rough or smooth.

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Chapter 2 Matter and Materials
Try to Answer | Q 4 | Page 97

Very Short Answer Type Question:

Select a lustrous material out of the following substances.

Short Answer Type Question:

What are the similarities between iron, copper, and aluminium?

Materials which can be compressed or cut easily are called _______.

We cannot compress, cut or bend the rough materials easily.

Choose the odd one:

Smooth materials do not have ups and downs.

What is material?

Some of the following statements are incorrect. Find the incorrect statements and correct them.

The property of metals by virtue of which they can be drawn into wires is called ductility.
Metals are good conductors of electricity but poor conductor of heat.
Articles made up of metals produce ringing sound when struck hard.
Oxides of non-metals and metals are acidic in nature.
A less reactive metal displaces a more reactive metal from its salt solution in water.

Pick one material from the following which is completely soluble in water.