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प्रश्न
Give the formula of the following acid:
Hydrochloric
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उत्तर
Hydrochloric – HCI
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संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
Name the element used as a standard for atomic mass scale.
Give the symbol of the following element:
Platinum
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).
Aluminate
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).
Sulphide
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).
Nitride
Name three metals whose symbols are derived: from their Latin names.
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
Define Alchemy.
