C2.4 Salts

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

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

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

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

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

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

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

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

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

10. 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)   

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

12. Mention the uses of salts

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

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

15. Mention the two key methods of preparing salts

16. 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

17. 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

18. Explain direct synthesis or direct combination of elements

19. Mention the ways of preparing soluble salts

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

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

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

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

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

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

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

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

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

29. 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

30. Name the types of salts

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

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