C2.4 Salts

1. What happens when salts are exposed to the atmosphere?

2. When metal carbonates are heated they form metal oxides and carbon (IV) oxide apart from pure carbonates of Sodium and Potassium which only lose their water of crystallization True or Fasle

3. All chlorides are soluble except Lead and silver however Lead (II) chloride is soluble in hot water. Yes or No

4. Which of the following is not among a normal acid in the list?

5. What are the by-products between the reactions of acids with metal carbonates?

6. Name the types of salts

7. A salt that contains a replaceable hydrogen atom i.e. NaHCO3 is known as:

8. Give the name of the reaction where the metal ions of the salts simply exchange their anions to form new salts is called? Pb(NO3 )2 (aq) + MgSO4 (aq) = PbSO4 (S) + Mg(NO3)2 (aq)   

9. The ions that remain unchanged during a chemical reaction are called

10. Which of the following equation describes the action of heat on Carbonates and hydrogen carbonates

11. What is the Main method of preparation of insoluble salts?

12. What is the name for the action of acids on soluble base (alkali)?

13. The fixed amount of water which is contained within the crystal structure of salt is called

14. A salt that contains hydroxyl ion i.e. Mg(OH)Cl is known as:

15. A salt in which there are two different atoms or cations i.e. KAl(SO4)2.12H2O is known as

16. All suphates salts are soluble except those of Barium and Lead. True or False

17. Salt is a substance formed when the hydrogen ions in acid are wholly or partially replaced by a Cation. True or False

18. Which of the following is not among a basic salt?

19. A salt that does not contain any replaceable hydrogen atom i.e. Na 2CO3 is known as:

20. Explain direct synthesis or direct combination of elements

21. Mention the two key methods of preparing salts

22. Mention the uses of salts

23. Mention the ways of preparing soluble salts

24. The method of preparing a specific salt may depend on what factor

25. A solution that cannot dissolve any more solute at a given temperature or in a given solvent is called

26. Which of the following equation describes the effect of HEAT on Metal nitrates of the most reactive metal, medium reactive metal and least reactive metal

27. Which of the following equation describes the effect of heat on Sulphates

28. All carbonates salts are insoluble in water except those in Group 1 metals? {Potassium, Sodium, Lithium. Yes or No

29. In a precipitation reaction, the two reactants must be soluble salts and one of the products must be insoluble (precipitate)True or False

30. The most reactive metals salts are soluble in water {Potassium, Sodium and Ammonium} True or False

31. Bases of most reactive metals such as Potassium, Sodium and Calcium are soluble in water while the rest are insoluble i.e Zinc, Aluminium, copper etc. True or Fasle

32. Which of the following is not among an acid salt?