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.
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
Give two examples of the following.
Metals which are soft
Define: Atomicity
Name: Three different forms of carbon
Fill in the blank
A diatomic gaseous element is _______.
Match the Columns:
| Column A | Column B | ||
| (a) | Metals | (i) | Non-Reactive |
| (b) | Molecules | (ii) | Brittle |
| (c) | Non-Metals | (iii) | Lustrous |
| (d) | Noble Gases | (iv) | Smallest unit of Compound |
Select the correct answer from the choice given below.
The element which is malleable
Write the names of elements from the following symbol:
Ti
Select the correct answer from the choice in the bracket.
The positively charged particle of an atom.
Define the terms elements, compounds & mixtures with a view to show their basic difference.
Select the correct answer from A, B, C, D & E for the statement given below :
A diatomic molecule.
