Give the Formula and Valency Of: - Chemistry

Give the formula and valency of:
cupric ………………… .

एक शब्द/वाक्यांश उत्तर

Cupric
Formula Cu
Valency +2

shaalaa.com

या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?

पाठ 1: The Language of Chemistry - Exercise 1 (A) [पृष्ठ ९]

पाठ 1 The Language of Chemistry
Exercise 1 (A) | Q 8.4 | पृष्ठ ९

Write the chemical formula of the Calcium carbonate.

What is the significance of the formula of a substance ?

Write down the formulae for the following compounds :

Calcium oxide

An element Z has a valency of 3. What is the formula of oxide of Z ?

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 ?

An element Y has a valency of 4. Write the formula for its :

Which of the following represents a correct chemical formula ?

Match the following:

Column A	Column B
(a) Pb(NO₃)₂	(i) rotten eggs smell
(b) CO₂	(ii) burns with a pop sound
(c) (NH₄)₂Cr₂O₇	(iii) the suffocating smell of sulphur
(d) HCI	(iv) lime water turns milky
(e) NO₂	(v) crackling sound
(f) O₂	(vi) residue swells up
(g) H₂	(vii) brown gas
(i) H₂S	(viii) supports combustion
(j) SO₂	(ix) fumes with NH₃ solution

Name the element in the compound and give the formula of the following compound:

Blue vitriol