Matter in our surroundings

which of the following is matter

• air

• stone

• cloud

• all of them

the 'panch tatva' or five basic elements are air,water,fire,earth and ___________?

• trees

• animals

• sky

• moon

what do you think?

matter is continuous or particulate

• continuous

• particulate

when 2-3 crystals of potassium permanganate are dissolved in water, the colour of water will be

• blue

• green

• yellow

• purple pink

what is the chemical formula of potassium permanganate

• PPM

• KMn

• KMnO

• KMnO₄

do you think particles of matter have spaces between them?

• yes

• no

do you think the particles of matter are continuously moving?

• yes

• no

when 2-3 crystals of copper sulphate is added to a glass of water ,the colour developed is

• blue

• green

• red

• yellow

what is the chemical formula of copper sulphate

• CuS

• CoSO₄

• CuSO₃

• CuSO₄

as the temperature rises, particles of matter move

• fast

• slow

• not effected

• none of them