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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
पर्याय
an element
a compound
a mixture
all of the above
उत्तर
a compound
APPEARS IN
संबंधित प्रश्न
Define 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 |
Give one example for the following types of mixtures :
solid-liquid heterogenous mixture.
Define: Compounds
What are the advantages of chromatography?
Name: a Liquid Metal
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Classify substances into pure and impure substances in the form of a chart or tabulation.
Select the correct answer to the statement given below:
A compound containing carbon, oxygen and calcium.
Elements are the______ form of pure substances.
