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प्रश्न
Write true or false
Milk is an emulsion.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
Write the symbols of helium, silver, krypton, antimony, barium.
Write the full form of IUPAC. Name the elements represented by the following symbols:
Au, Pb, Sn, Hg
What do the following symbol stand for?
2H
State what a chemical formula denotes.
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
Write the chemical formula of the following:
calcium sulphide
State the valency of the following metallic element and write symbol with the valency
Calcium
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).
Oxide
What is the significance of the symbol of an element?
