State the Main Characteristics of a Compound with Special Reference to the Compound Iron [Ii] Sulphide.

State the main characteristics of a compound with special reference to the compound iron [II] sulphide.

टीपा लिहा

CHARACTERISTICS OF COMPOUND :

Components in definite proportion e.g. compound iron [II] sulphide FeS element Iron and sulphur are in definite ratio.
Compound is Homogeneous.
Particles in a compound are of J kind composition of iron (II) sulphide is uniform and components cannot be seen separately.
Compound has definite set of properties.
Component in FeS do not retain their original properties, i.e. iron cannot be attracted by a magnet, sulphur is insoluble in CS₂ and Fe does not gives H₂ with dil. acid. This means compound formed has new properties.

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Naming Chemical Compounds

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पाठ 1: The Language of Chemistry - For Additional High Order Thinking Questions [पृष्ठ १४]

पाठ 1 The Language of Chemistry
For Additional High Order Thinking Questions | Q 2. 4. 2. | पृष्ठ १४

Match the following:

Compound	Formula
1. Boric acid	i. NaOH
2. Phosphoric acid	ii. SiO₂
3. Nitrous acid	iii. Na₂CO₃
4. Nitric acid	iv. KOH
5. Sulphurous acid	v. CaCO₃
6. Sulphuric acid	vi. NaHCO₃
7. Hydrochloric acid	vii. H₂S
8. Silica (sand)	viii. H₂O
9. Caustic soda (sodium hydroxide)	ix. PH₃
10. Caustic potash (potassium hydroxide)	x. CH₄
11. Washing soda (sodium carbonate)	xi. NH₃
12. Baking soda (sodium bicarbonate)	xii. HCl
13. Lime stone. (calcium carbonate)	xiii. H₂SO₃
14. Water	xiv. HNO₃
15. Hydrogen sulphide	xv. HNO₂
16. Ammonia	xvi. H₃BO₃
17. Phosphine	xvii. H₃PO₄
18. Methane	xviii. H₂SO₄

Write the chemical name of the following compound

Na₂SiO₃

Complete the following statement by selecting the correct option :

The formula of a compound represents

Give the name of the element and number of atom of those elements present in the following compound.

Sodium sulphate