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प्रश्न
State the type of element for the following:
Zinc
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metal
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संबंधित प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Phosphate
Give two examples of the following:
Solid + Liquid mixture
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Select the correct answer from the choice given below.
The type of element-phosphorus
Give the symbol of the following element:
Copper
Write the chemical formula of the following:
magnesium sulphate
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
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
Write the symbols for the following elements and classify them as solid, liquid and gas. Aluminum, Carbon, Chlorine, Mercury, Hydrogen and Helium
Mass of one atom of oxygen is
