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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
Give two symbols which have been derived from the "English names" of the elements.
Give two examples of the following:
Solid + Liquid mixture
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
Give the symbol of the following element:
Neon
State the type of element for the following:
Radon
Give the formula of the following acid:
Hydrochloric
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Mercury
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).
Permanganate
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).
Nitride
______ of some elements are derived from Latin or Greek names of the elements.
