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प्रश्न
Give two examples of the following:
Liquid + Liquid mixture:
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उत्तर
Liquid + Liquid mixture :
- Oil in water,
- Alcohol and water.
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संबंधित प्रश्न
Define: Compounds
The scientist who proposed the first letter (or first letter and another letter) of the Latin or English name of
an element as its symbol, was :
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
What is a symbol? What information does it convey?
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’
Match the symbols of metallic elements – with their correct combining power or capacity.
(a) K
(b) Zn
(c) Al
(d) Na
(e) Ca
Combining power or capacity – A : 3 ; B : 2 ; C : 1. (positive valencies)
Give the symbol of the following element:
Carbonate
Write the radical of the following valency:
Chlorine [Chloride]
Write the chemical formula of the following:
aluminium chloride
Give the formula of the following gas:
Ammonia
