Chemistry Board Question
Chapter Thirteen
Properties and Uses of Metals and Their Compounds
Short Question
1. What is meant by metals and non metals? Write two examples for each of them. (CB-00) 2
2. Compare the properties of metal with those of non metals. (CB-99) 3
3. i) Write down the four differences, two for physical and two for chemical properties between metals and non metals. (SB-02) 2
ii) Compare the two chemical properties of metals with those of non metals. (DB-02) 1
iii) Write down the four differences of chemical properties between metals and non metals. (BB-05) 2
4. i) Usually metals do not want to form compounds with hydrogen-why? Write its two causes. (DB-02) 2
ii) Write the preparation and two properties of green vitriol. (CB-05) 1+1=2
5. i) What is blue vitriol / tute? Write its two uses. 2
ii) Write the preparation, properties and uses of blue vitriol. (RB-01, 02, DB-03, 05, CtgB-02, SB-02, RB-05) 2
6. What is smelling salt? Write its formulae. 1
7. Write the names and formulae of the two vitriol. 1
8. What is green vitriol? Write about its preparation and uses. (CB-05, SB-05) 1+1+1=3
9. What is spathic iron? Write its formulae. (JB-0) 1
10. What is white vitriol? Write its preparation, properties and uses. (RB-00, SB-04) 2
11. Write the preparation of ZnO and its uses. (DB-01, BB-05)2
12. What is gluber's salt? Write its preparation, properties and two uses. (CB, CtgB-05) 2
13. What is Ipson's salt? Write its preparation, properties and two uses. (BB-05, RB-03, CB-04, JB-04, RB-05) 1+1+1=3
14. i) What is Plumbous and Plumbic Compounds. (JB-04)
ii) What do you mean by Plumber salt? (RB-05) 1
15. What is letharge? Write its two uses. (CB-02) 2
16. What is slaked lime? Write its' preparation and properties. (CtgB-03) 2
17. What is plaster of paries? Write the name and symbol of a dibasic acid. 2
18. What is lead sugar? Write its two uses. (DB-01, DB-01, RB-01, SB-04) 2
19. i) What is Crome Yellow? Write the reaction with NaOH? (SB-03) pre-08 2
ii) What would you mean by Crome Red? (CtgB-02, CB-03)
20. i) Why metal oxide is basic in character? (DB-04, CB-05, RB-05) 2
ii) Prove that metal oxides are basic. Write with reactions. (JB-01, RB-99) 2/3
21. i) Why zinc oxide is called an amphoteric oxide? (RB-05) 2
ii) Zinc oxide is amphoteric in nature- Explain. (CtgB-04) 2
iii) Write the preparation and uses of zinc oxide. (BB-05) 2
22. Prove that, Aluminium oxide is amphoteric in nature. (JB, CB, BB-05) 2
23. Write the name and formulae of two neutral and amphoteric oxides. (JB-01, CB-03) 2
24. What is acidic oxides? (CB-99) 2
25. i) What are the formulae of Magnesium Sulphate and Zirconium Sulphate? (JB-99) 2
ii) Write the chemical name of and formulae of cryolite and washing soda. (JB-03) 2
26. i) Write the uses of Aluminium metal. (SB-05) 1
ii) Write the four uses of Sodium metal. (DB-04, CB-05) 2
27. Write two physical properties, two chemical properties and two uses of copper. (CB-00) 3
28. What would you mean by passivation of iron- Explain. (CtgB-02, BB-00, CB, DB-03, JB-03, 05, CB-05) 3/2
29. What is meant by potash alum? Write its formula, preparation and uses? (RB-01, CtgB-01, DB-04) 3/2
30. i) How metallic sodium is preserved? (RB-02, DB-99)
ii) Why metallic sodium is always kept immersed under petroleum or kerosine? (JB-05, DB-01, RB-00, JB-05, SB-05, CB-03) 2
31. Being a metal, how sodium forms hydride with hydrogen, explain the facts. (BB-01) 2
32. i) Write the convertion with equation. (DB-05) 1 2=3
(a) Bleading power from slaked lime (b) red lead from lead monoxide.
ii) How can you convert Fe2+ compound into a iron (iii) compound and vice versa? (CB-02, SB-03) 2/3
33. Only by visual observation, how does one can comment on which one is Fe2+ or Fe3+ compound? (JB, SB-00) 1
34. Write with equation and example how would you detect / confirm the presence ........... ion in solution / acquous solution.
a) Al3+ (CtgB-00, 00, JB-00) pre08
b) Pb2+ (CB-02)
c) Cu2+ (Two wet tests) (RB-02)
d) Carbonate ion (JB-02, DB-04, CtgB-04, BB-05)
e) Ca2+ (Find out with wet test) (CtgB-01, CB-05, JB-05)
f) Cl (CB-98)
g) Nitrate ion (Ring test, Wet test) (CtgB, CB-05, SB-04, RB-05)
h) Sulphate and Sulphide ion (JB-05)
i) What is ring test? Explain with example. (CB-01)
j) Fe2+ and Fe3+ (RB-03)
k) Sulphide (BB-04)
l) Zn2+ (DB-05) in solution
35. Write with equation one dry test and one wet test to detect chloride ion in a supplied sample. (CB-04) 2
36. i) What is flame test?
ii) What type of flame is shown by the flowing metals during the flame test?
Na & Ca (CB-00), K & Cu (JB-05), Ca, K, Cu (JB-05)
37. Write the Formulae of the following compounds :
i) Ferosoferric oxide (JB-05) (ii) Bleaching power (JB-05) (iii) Caustic Soda (SB-04) (iv) Slaked lime (SB-04) (v) Aluminium Sulphate (SB-05)
38. Write with equations what happens :
i) Name the three metals that react rapidly with water at room temperature and write equation of their reactions with water. (SB-02) 13=3
ii) What is produced when Al reacts with HCl? Write with equation. (RB-01) 2
iii) Magnesium is heated with Nitrogen gas at high temperature and then water is added into it. (SB-04, CB-02) 1
iv) At what condition metallic calcium reacts with Hydrogen to form compound. Write with equation. (JB-04) 2
v) Hydrogen gas is passed over hot calcium. (SB-04) 1 /1
vi) A piece of sodium is put into water. (SB-02) 1
vii) Calcium reacts with water. (CB-00) 2
viii) Dilute nitric acid reacts with copper. (JB-00, SB-03) 2
ix) Cold and medium concentrated Nitric acid is added to copper turnings. (SB-03) 1
x) Concentrated Nitric acid reacts with copper. (SB-03, CB-05) 1
xi) Concentrated H2SO4 its heated with copper turning/copper. (SB-03, DB-03)
xii) Steam is passed over red hot iron, (CB-05, BB-05, SB-05, CB-03, CB-05) 1
xiii) Dry ammonia gas is passed over hot metallic sodium. (SB-01, CB-04) 1
xiv) a) NaOH is added to a salt solution. (JB-05) 1
b) Caustic soda is added to Aluminium oxide. (BB-02)
xv) Chlorine gas is passed over slaked lime at 400C temperature.
xvi) Medium concentrated acetic acid is added to white lead and is heated. (CtgB-01) 1
xvii) Aluminium reacts with hot and concentrated H2SO4. (CtgB-01)
xviii) Carbon di oxide is passed through caustic soda solution. (CtgB-03) 1
xix) a) Lead reacts with aqueous HCl. (JB-05) 1
b) Lead reacts with Alkali. (RB-03) 1
c) Concentrated acetic acid is added to residue of white lead. (CtgB-01) 1
xx) Potassium hexacyanoferrate (ii) solution is added to copper (ii) Salt solution. (RB-00) 2
xxi) Ammonia gas is added aqueous copper sulphate solution gradually. (JB-01) 2
xxii) Write with equation, what happens when excess caustic soda solution gradually added to ZnSO4 Solution and then H2S is added it. (CtgB-04) 2
xxiii) When excess CO2 is passed through lime water. (SB-04) 1
xxiv) When excess ammonia is passed through aqueous solution of copper (ii) Salt. Write equation.
xxv) Write the reactions of K, Na and Ca with water. (CtgB-05) 13=3
39. Discuss the characteristics / properties of Fe (ii) and Fe (iii) compounds in solution. (CB-01, RB-03, 04) 3
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