- 1. Topic 5 Acids in Action
2. Topic 5.1Acids in Action
- What does thepH scalemeasure?
- What pH numbers refer toacids ?
- What pH numbers refer toalkalis ?
- What is the pH number for a neutral solution?
3. Topic 5.1Acids in Action
- What colour does the pH paper turn with astrongacid?
- What colour does the pH paper turn with aweakacid?
- What colour does the pH paper turn with astrongalkali?
- What colour does the pH paper turn with aneutralsolution?
4. Topic 5.1Acids in Action
- What happens to the pH number when anacid is diluted?
- What happens to the pH when analkali is diluted ?
- What pH is thelimitfordilution of either an acid oralkali?
5. Topic 5.1Acids in Action
- three commonacidsfound inthe household?
- three commonalkalisfound inthe household?
- three commonneutral solutionsfound inthe household?
6. Topic 5.1 Ext Acids in Action
- What is the formula for...
7. Topic 5.1 Ext Acids in Action
- Can acidsconductelectricity ?
- What kind ofbondingdo acids have?
- Whationis common to all acids?
- Is thisionpositive or negative?
- Whationsare present inhydrochloric acid, sulphuric acid and
nitric acid?
8. Topic 5.1 Ext Acids in Action
- Acids have a higherconcentrationof whichion ?
- Alkalis have a higherconcentrationof whichion ?
- Dilutinganacid reducesthe number of which ions?
9. Topic 5.2Acids in Action
- What condition/property isneededto make an alkali?
- What type ofoxides do not formalkalis?
- WhatpHdo these oxides give?
- Whationis common to allalkalis ?
10. Topic 5.2Acids in Action
- What is the formula for...
11. Topic 5.2Acids in Action
- Whatsubstance , presentinfuelscontributes toacid rain?
- What is thegas producedcalledthat causes acid rain?
- What does acid rain do totheenvironment ?
12. Topic 5.2 Ext Acids in Action
- What is thenameof the process that can split up an acid back
into its elements?
- Whatelementforms at the negative electrode?
- Whathappensat thenegative electrode toproduce this elementfrom
its ion?
- What is thisreaction called?
+ + + + - - - - + - - + - + + + + - - - 13. Topic 5.2 Ext Acids
in Action
- What is ad.c currentandwhyis it used in electrolysis?
- Whenhydrochloricacidis electrolysed,what forms at
thepositiveelectrode?
- Whathappensat thepositive electrode to produce this
element?
- What is thisreactioncalled?
14. Topic 5.2 Ext Acids in Action
- Whensulphuric acidis electrolysed, what forms at
thepositiveelectrode?
- Whatforms at the negative electrode ?
- What is this overallreactioncalled?
15. Topic 5.3Acids in Action
- Whichmetalscan react with an acid?
- Wherein thereactivity series(Data book pg 7) would you find
these metals?
- When a metal reacts with an acid what are theproducts?
- Write out this generalequation and LEARN.
16. Topic 5.3Acids in Action
- How could it be proved thathydrogengas is given off?
- How could therateof these reactions be increased?
- Whydoessulphuric acidreact faster than hydrochloric and nitric
acid? (CLUE THINK OF THE FORMULA)
17. Topic 5.3Acids in Action
- Whattype of metal saltis formed when hydrochloric acidis used?
sulphuric acidis used? nitric acidis used?
18. Topic 5.3 ExtAcids in Action
- Copy and complete the following and write balanced formulae
equations
19. Topic 5.3 ExtAcids in Action
- Magnesium + HydrochloricMagnesium+ Hydrogen
- Iron + Nitric acidIron nitrate + hydrogen
-
-
-
-
- Fe + 2HNO 3 Fe(NO 3 )2 +H 2
- 3. Zinc+ Sulphuric acid Zinc sulphate + Hydrogen
-
-
-
-
- Zn + H 2 SO 4 ZnSO 4 +H 2
20. Topic 5.4Acids in Action
- What is thenameof thereactionwhen an acid iscancelledby a
another substance?
- Name three types ofbase? (THINK OF THEREACTIONS YOUHAVE
SEENFROM 5.4)
21. Topic 5.4Acids in Action
- What are theproductsformed when ametal oxidereacts with anacid
?
- What are theproductsformed when ametal carbonatereacts with
anacid ?
- Write out these general word equations and LEARN THEM.
22. Topic 5.4 Ext Acids in Action
- Whatgasis produced when a metalcarbonatereacts with an
acid?
- Why is anexcessof metal carbonate added to the acid?
Residue Filtrate 23. Topic 5.4 Ext Acids in Action
- How do you know when the acid has beencompletely
neutralised?
- What will thefiltratecontain?
- Whatcompoundis found in the residue ?
Residue Filtrate 24. Topic 5.4 ExtAcids in Action
- What are theproductsformed when copper carbonate reacts with
sulphuric acid?
- Write the word and balanced formula equation for this
reaction
25. Topic 5.4 ExtAcids in Action
- Copper+SulphuricCopper+Water+Carbon
- carbonateacid sulphatedioxide
- CuCO 3+ H 2 SO 4 CuSO 4+H 2 0+CO 2
26. Topic 5.4 ExtAcids in Action
- What are theproductsformed when copper oxide reacts with
hydrochloric acid?
- Write the word and balanced formula equation for this
reaction
27. Topic 5.4 ExtAcids in Action
- Copper+HydrochloricCopper+Water
28. Topic 5.5Acids in Action
- What is thenameof thereactionwhen an acid iscancelledby a
anothersubstance?
- Name three types of base? (THINK OF THE REACTIONS YOU HAVE SEEN
FROM 5.4)
29. Topic 5.5Acids in Action
- Why is a pipette used instead of a measuring cylinder?
- Whatadvantagedoes a burette have over a pipette?
30. Topic 5.5Acids in Action
- What is the name of thetechniquein which a burette and pipette
are used to neutralise an acid?
- What is thecurvein theacid or alkali called?
- Where should this curve bewhen filling a pipette
accurately?
- What is meant byconcordant results ?
31. Topic 5.6Acids in Action
- What is the name of the reaction in which two solutions react
to form aninsoluble salt ?
- How can the insoluble product beseparatedfrom the mixture?
- Where is information on insoluble salts found?
- What is meant byspectator ions ?
32. Topic 5.7Acids in Action
- What is theformula massand how is it obtained?
- What is thegram formula massequal to?
- TRY CHECKTEST 5.7 OR THE CHEMICAL CALCULATION BOOKLET FOR
PRACTICE.
33. Topic 5.8Acids in Action
- What is the equation thatrelatesmoles and mass ?
- What is the equation thatrelatesvolume, concentrationand moles
?
- TRY CHECKTEST 5.8 OR THE CHEMICAL CALCULATION BOOKLET FOR
PRACTICE
34. Topic 5.9Acids in Action
- What is theequationused intitrations ?
- TRY CHECKTEST 5.9 OR THE CHEMICAL CALCULATION BOOKLET FOR
PRACTICE