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प्रश्न
Give the formula of the following gas:
Nitrous oxide
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उत्तर
Nitrous oxide – N2O
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संबंधित प्रश्न
Match the formulas of the following of acids with their correct names:
Acids – (a) HCI (b) HNO3 (c) H2SO4 (d) H2CO3
Names – (1) Carbonic acid (2) Sulphuric acid (3) Hydrochloric acid (4) Nitric acid
Give the symbol of the following element:
Mercury
State the type of element for the following:
Bromine
Give the symbol of the following element:
Phosphate
Write the radical of the following valency:
Sodium
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).
Hydroxide
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).
Sulphite
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).
Sulphate
Define the term ‘symbol’.
What does the symbol '(g)' present in a chemical equation, mean?
