Give the Empirical Formula of Acetylene C2h2 - Chemistry

Give the empirical formula of Acetylene C₂H₂

One Line Answer

The empirical formula for Acetylene is CH.

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Chapter 1: The Language of Chemistry - Exercise 1 (C) [Page 19]

Chapter 1 The Language of Chemistry
Exercise 1 (C) | Q 13.3 | Page 19

What do the following abbreviations stand for ?

Write down the formulae for the following compounds :

Calcium oxide

Write down the formulae for the following compounds :

Magnesium hydroxide

Work out the formula for sulphur dioxide. (Valencies : S = 4 ; O = 2)

Which of the following represents a correct chemical formula ?

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

Write chemical formula of the sulphate of Aluminium, Ammonium and Zinc.

Identify the following substance:

Gas C that is colourless and can be used as a bleaching agent.

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

What is a chemical formula? What is the significance of a formula?give an example to illustrate?

XCl₂ is the chloride of a metal X. State the formula of the sulphate and the hydroxide of the metal X.

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

Blue vitriol