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प्रश्न
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
पर्याय
X2N
XN2
XN
X2N3
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उत्तर
XN
Formula of nitride of the element X will be XN.
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संबंधित प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of its
Acetate
Match the non-metallic elements – with their correct symbols. Non-metallic elements are:
| Non-Metallic elements | Symbol |
| (a) Carbon | (1) O |
| (b) Chlorine | (2) I |
| (c) Oxygen | (3) Si |
| (d) Phosphorus | (4) C |
| (e) Hydrogen | (5) Cl |
| (f) Nitrogen | (6) P |
| (g) Iodine | (7) F |
| (h) Bromine | (8) H |
| (i) Fluorine | (9) S |
| (j) Silicon | (10) Br |
| (k) Sulphur | (11) N |
Select the correct answer from the choice given below.
The symbol of mercury is
Select the correct answer from the choice given below.
The type of element-phosphorus
Give the symbol of the following element:
Calcium
Write the chemical formula of the following:
aluminium chloride
State the valency of the following metallic element and write symbol with the valency
Calcium
Define Alchemy.
The chemical symbol for sodium is
How many elements are known at present?
