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प्रश्न
Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.
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उत्तर
Atoms: Fundamental particle of an element:: elements: Fundamental particles of a compound.
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संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Match the columns.
| column A | column B |
|
1. to separate grain from chaff |
a. filtration |
| 2. to saparate sawdust from water | b. sedimentation and deeantation |
| 3. to separate iodine from sodium chloride | c. winnowing |
| 4. to separate iron fillings from sand | d.sublimation |
|
5. it is used to separate sand and water |
e maganetic separation |
|
|
f .handpicking |
State four differences between compounds and mixtures.
Give two examples of non-metals.
Define: Atom
Differentiate between the terms –
elements, compounds & mixtures.
Elements are classified into – Metals – Non-metals – Metalloids – Noble gases. State which of A, B, C, D is a –
1. Metallic element
2. Non-metallic element
3. Metalloid
4. Noble gas.
A: Is non-malleable, non-ductile & a poor conductor of electricity ___________
B: Has lustre, is malleable and ductile & a good conductor of heat ___________
C: Is unreactive and inert and present in traces in the air _________
D: Shows properties of both metals and non-metals ___________
Write the names of elements from the following symbol:
Xe
Give an example of two liquids which form homogenous.
Differentiate between elements and compounds.
