Name the Element in the Compound and Give the Formula of the Following Compound: Green Vitriol

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

Green vitriol

One Line Answer

Element	Element in compound	Formula
Green vitriol	Iron, sulphur, oxygen, hydrogen	FeSO₄. 7H₂O

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Chapter 1: The Language of Chemistry - For Additional High Order Thinking Questions [Page 14]

Chapter 1 The Language of Chemistry
For Additional High Order Thinking Questions | Q 2. 6. (f) | Page 14

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

Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?

The formula of carbonate of a metal M is M₂CO₃.

What will be the formula of its nitride ?

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

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