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प्रश्न
Give the formula of the following gas:
Nitrogen dioxide
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उत्तर
Nitrogen dioxide – NO2
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संबंधित प्रश्न
Which particular atom of the above element is used for this purpose ?
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
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)
State the type of element for the following:
Oxygen
State the type of element for the following:
Zinc
State the type of element for the following:
Iodine
Write the radical of the following valency:
Phosphate
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
What does the symbol '→' present in a chemical equation, mean?
Fill in the blank with the correct word from the options given below:
A symbol represents a short form of a / an ________.
