Advertisements
Advertisements
प्रश्न
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
Advertisements
उत्तर
Brass and bronze are mixtures as the composition of elements are not fixed by mass and has no formula.
Lead nitrate and copper sulphate are compounds as they have a fixed ratio of elements by mass and have a formula like Pb[NO3]2 and CuSO4.
APPEARS IN
संबंधित प्रश्न
Classify the following substances into compounds and mixtures:
Write true or false
All pure substances have characteristic melting and boiling points.
Give one example for the following types of mixtures :
misicible liquids
Why is it necessary to separate the constituents of a mixture.
Answer the following question:
When iron is mixed with sulphur at room temperature, it does not form a compound. Why?
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.
Write the names of elements from the following symbol:
Si
Write the names of elements from the following symbol:
Pt
Give an example of two liquids which form homogenous.
