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प्रश्न
Write true or false
Milk is an emulsion.
विकल्प
True
False
उत्तर
True
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संबंधित प्रश्न
The anion of an element has :
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Phosphate
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.
Hydrogen by ‘H’
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
Select the correct answer from the choice given below.
The symbol of mercury is
State the type of element for the following:
Mercury
State the valency of the following metallic element and write symbol with the valency
Zinc
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).
Bromide
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).
Carbonate
What does the symbol '→' present in a chemical equation, mean?
