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प्रश्न
In the chemical word equation – Zinc + Sulphuric acid → Zinc sulphate + Hydrogen
The molecular equation is :
Zn + H2SO4 → ZnSO4 + H2[g].
State what [g] represents.
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उत्तर
[g] represents gas.
संबंधित प्रश्न
Which particular atom of the above element is used for this purpose ?
The atoms of which of the following pair of elements are most likely to exist in free state ?
An atom of an element is denoted by a “symbol” Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Copper by ‘Cu’
Give the symbol and the number of atoms of the following elements present in zinc chloride.
Give the symbol of the following element:
Arsenic
Give the symbol of the following element:
Hydroxide
Write the radical of the following valency:
Iodine
Write the chemical formula of the following:
magnesium 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).
Chloride
Fill in the blank with the correct word from the options given below:
A symbol represents a short form of a / an ________.
