C2.4 Salts

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

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. Mention the uses of salts

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

5. 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

6. 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)   

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

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

9. Mention the ways of preparing soluble salts

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

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

12. Name the types of salts

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

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

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

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

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

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

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

20. Mention the two key methods of preparing salts

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

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

23. 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

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

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

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

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

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

29. Explain direct synthesis or direct combination of elements

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

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

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