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प्रश्न
Indicate whether the following statement is true or false:
Molecules combine to form atoms
पर्याय
True
False
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उत्तर
False
Correct Statement: Atoms combine to form a molecule.
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संबंधित प्रश्न
Give two examples for the following: Metals
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 |
Name the substance you will add to speed up sedimentation.
Give two examples of Metalloids.
Define: Atom
State the number of atoms of H2SO4
Find the atomicity of the Following molecule:
Acetic Acid
Indicate whether the following statement is true or false:
All elements are artificially prepared
Write the names of elements from the following symbol:
Pt
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
