Advertisements
Advertisements
प्रश्न
Write the formula of the following compound:
Copper [I] oxide
Advertisements
उत्तर
Copper [I] oxide - Cu2O - `"Cu"^(1+)["O"]^(2-)`
APPEARS IN
संबंधित प्रश्न
Write down the formulae of sodium sulphide.
Write down the formulae of magnesium hydroxide.
What is meant by a chemical formula ? Write the formulae of one element and one compound.
Write down the formulae for the following compounds :
Calcium oxide
Write down the formulae for the following compounds :
Magnesium hydroxide
An element X of valency 3 combines with another element Y of valency 2. What will be the formula of the compound formed ?
(a) Write the symbols/formulae of two simple ions and two compound ions (or polyatomic ions).
Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?
Write chemical formula of the sulphate of Aluminium, Ammonium and Zinc.
Identify the following substance:
An alkaline gas A which gives dense white fumes with hydrogen chloride.
XCl2 is the chloride of a metal X. State the formula of the sulphate and the hydroxide of the metal X.
Write the formula of the following compound:
Potassium bisulphite
Write the formula of the following compound:
Calcium bisulphite
Write the formula of the following compound:
Zinc chloride
Write the formula of the following compound:
Copper [II] sulphide
Write the formula of the following compound:
Silver [II] chloride
Define the term Relative atomic mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KCr2O7
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KNO3
