Question

1. Grouping of things is done for ………….. .

2. Classification is done on the basis of some

……………. and ………… .

3. A thing can be made of different ……………. .

4. Different materials can be used to make ……………. .

5. Blue Vitriol (Neela thota) is ……………… in water.​

Answer 1

• Grouping of things is done for classification. This is done so that we can easily differentiate the things based on certain characteristics.
• Classification is done on the basis of some physical and chemical properties. The basic characteristics which differentiate between things is their properties.
• A thing can be made of different materials. The constituent material of a thing highlights its properties.
• Different materials can be used to make different things. One material can form multiple things or it is specific to only a single object.
• Blue Vitriol (copper sulfate) is highly soluble in water.

Answer 2

juteejdhdidjcfkeidxjj