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प्रश्न
Give two examples of the following.
Inert gases
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उत्तर
Helium, Neon
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संबंधित प्रश्न
Define mixture.
Fill in the blank
Use of a ................. to separate the components of a mixture of solids is based on the difference in the size of the components
Name: a Non-metal Which is a Good Conductor of Electricity.
Draw a labelled diagram of an atom including its nucleus, orbits & their contents.
Write the names of elements from the following symbol:
Cu
Select the correct answer from the choice given below to complete the sentence :
Dust in air is an example of _________ mixture.
Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
Complete the table by writing the symbols of the following elements
| Element | Symbol |
| Aluminum | Al |
| Nickel | |
| Bromine | |
| Helium | |
| Magnesium |
Complete the table:
| Element | Latin Name | Symbol |
| Mercury | ______ | Hg |
| Lead | Plumbum | ______ |
| Iron | ______ | Fe |
| Potassium | Kalium | ______ |
Name the element which is used in toothpaste to strengthen our teeth.
