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प्रश्न
Give two examples of the following:
Solid + Liquid mixture
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उत्तर
Solid + Liquid mixture :
- Sand and water,
- Charcoal and water.
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संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
Write the symbols of helium, silver, krypton, antimony, barium.
The Latin language name of an element is natrium. The English name of this element is :
What do the following symbol stand for?
H2
Write the radical of the following valency:
Chlorine [Chloride]
Write the chemical formula of the following:
magnesium oxide
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
write symbol with the variable valency
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Oxide
What does the symbol '⇌' present in a chemical equation, mean?
In the same way in chemistry, each element is denoted by a ______.
