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प्रश्न
The pictorial symbol for water given by the alchemists was
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संबंधित प्रश्न
Which particular atom of the above element is used for this purpose ?
Give the symbol of the following element:
Mercury
State the type of element for the following:
Boron
State the type of element for the following:
Xenon
Give the formula of the following gas:
Nitrous oxide
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).
Bisulphite
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).
Plumbite
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is ________ and which is liquid at room temperature is ________.
The symbol of tungsten is _______.
The chemical symbol for sodium is
