Advertisements
Advertisements
प्रश्न
Give the formula and valency of:
cupric ………………… .
Advertisements
उत्तर
Cupric
Formula Cu
Valency +2
APPEARS IN
संबंधित प्रश्न
What is meant by the term chemical formula?
Write the chemical formula of the Copper nitrate.
The radius of an oxygen atom is 0.073 nm. What does the symbol ‘nm’ represent ?
Write down the formulae for the following compounds :
Calcium oxide
An element X has a valency of 4 whereas another element Y has a valency of 1. What will be the formula of the compound formed between X and Y ?
Give the formulae of the compounds formed from the following sets of elements :
- calcium and fluorine
- hydrogen and sulphur
- nitrogen and hydrogen
- carbon and chlorine
- sodium and oxygen
- carbon and oxygen
Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?
Give the formula and valency of:
| Aluminate | ______ | ______ |
Correct the following statement:
A molecular formula represents an element.
Give the empirical formula of Acitic Acid CH3COOH.
Identify the following substance:
Gas C that is colourless and can be used as a bleaching agent.
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 nitrite
Write the formula of the following compound:
Sodium sulphate
Write the formula of the following compound:
Aluminium hydroxide
Write the formula of the following compound:
Iron [III] sulphide
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaO
Write the steps that are followed to write down the chemical formula of a substance.
Derive the chemical formula for calcium chloride.
