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प्रश्न
Water contains _____ and _____ element.
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उत्तर
Water contains hydrogen and oxygen element.
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संबंधित प्रश्न
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 |
Why is it necessary to separate the constituents of a mixture.
Give two examples of the following.
Inert gases
Define: Formula
Give one use of the following substance:
Iron
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
Select the correct answer from the choice given below.
The type of molecule- bromine
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.
Elements contain the ______of the same kind.
