C2.4 Salts

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

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

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

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

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

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

7. 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)   

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

9. 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

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

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

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

13. Mention the uses of salts

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

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

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

17. Mention the ways of preparing soluble salts

18. 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

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

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

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

22. Mention the two key methods of preparing salts

23. Name the types of salts

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

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

26. Explain direct synthesis or direct combination of elements

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

28. 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

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

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

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

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