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प्रश्न
Give the formula of the following gas:
Nitric oxide
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उत्तर
Nitric oxide – NO
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संबंधित प्रश्न
What is meant by atomicity? Name the diatomic element.
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 |
Give the symbol of the following element:
Bromine [bromide]
State the type of element for the following:
Copper
Write the radical of the following valency:
Sodium
Write the radical of the following valency:
Iodine
Give the formula of the following gas:
Nitrous oxide
Give the formula of the following gas:
Sulphur dioxide
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
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).
Dichromate
