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प्रश्न
Give the formula of the following gas:
Hydrogen chloride
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उत्तर
Hydrogen chloride – HCI
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संबंधित प्रश्न
What do the following symbol stand for?
H2
State what a chemical formula denotes.
State which element exists in the highest percentage in atmosphere.
Write the radical of the following valency:
Hydroxide
Write the radical of the following valency:
Potassium
Give the formula of the following gas:
Nitrogen
Define the term ‘valency’.
State a reason why the symbol of calcium is ‘Ca’ and of copper is ‘Cu’
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Tin
write symbol with the variable valency
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
