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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
पर्याय
carbon and hydrogen
hydrogen and oxygen
carbon, hydrogen and oxygen
hydrogen, carbon and sulphur
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उत्तर
carbon, hydrogen and oxygen
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संबंधित प्रश्न
Choose the most appropriate answer
A solvent of Iodine is
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 |
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Define: Atom
Fill in the blank
_________ refers to the number of atoms in the molecule of an element
Indicate whether the following statement is true or false:
Metals can be polished.
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
Tick (√) the correct alternative from the choice given for the following statement
A gaseous non-metal.
Write the names of elements from the following symbol:
Si
Select the correct answer to the statement given below:
A non-metal which exists in the liquid state.
