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- 1. Multiple Choice
Complete the following word equation:
Metal + Acid -->
Salt + water
Salt + hydrogen
Salt + Water + Carbon dioxide
- 2. Multiple Choice
Complete the following word equation:
Metalcarbonate + acid -->
Salt + Hydrogen
Salt + Water + Carbon Dioxide
Salt + Water
- 3. Multiple Choice
What colour does the solution turn when copper oxide is added to sulfuric acid?
Blue
Green
Clear
Purple
- 4. Multiple Choice
How do you remove the water to leave solid copper sulfate crystals?
Filter
Evaporate
Distill
- 5. Multiple Choice
What does the word insoluble mean?
Does dissolve
Doesn't dissolve
Is part of a solid
- 6. Multiple Choice
What type of reaction produced an insoluble salt?
Neutralisation reaction
Precipitation reaction
Titration reaction
Insoluble reaction
- 7. Multiple Choice
What is the test for Hydrogen gas?
Squeaky pop
Lime water turning cloudy
Add pH paper
- 8. Multiple Choice
What is the test for Carbon Dioxide?
Add Litmus paper
Lime water turning milky
Squeaky pop
- 9. Multiple Choice
Which food is the most acidic?bananaslemon juiceorange juice - 10. Multiple ChoiceSalts that are made with hydrochloric acid are called ______________.chloridessulfatesnitratescarbonates
- 11. Multiple ChoiceSalts that are made with sulfuric acid are called ______________.chloridessulfatesnitratescarbonates
- 12. Multiple ChoiceSalts that are made with nitric acid are called ______________.chloridessulfatesnitratescarbonates
- 13. Multiple ChoiceWhat salt is produced if you react sodium hydroxide with hydrochloric acid?sodium hydroxidesodium sulfatesodium nitratesodium chloride
- 14. Multiple ChoiceA salt is formed when nitric acid combines with sodium hydroxide. What is the name of the salt?Sodium chlorideSodium nitrateHydrogen NitrateNirate
- 15. Multiple ChoiceIdentify the 'evaporating basin' from the diagrams.ABCD
- 16. Multiple Choice
Which salt would be formed by reacting cobalt carbonate and hydrochloric acid?
Cobalt sulfate
Cobalt chloride
Cobalt hydroxide
Cobalt sulfide
- 17. Multiple Choice
When a soluble salt is formed from an acid and an insoluble base, how do you know when an excess of a base has been added?
When bubbles of gas appear
When the reactant all dissolves
When some of the reactant is left unreacted/undissolved
When a colour change happens
- 18. Multiple Choice
Why do you add excess of the insoluble reactant when making a soluble salt?
To make sure all the acid is used up
To separate the solid from the solution
To make sure a reaction occurs
To have the reaction happen faster
- 19. Multiple Choice
How do you separate an excess insoluble reactant from a solution?
Filtration
Precipitation
Crystalisation
Evaporation
- 20. Multiple Choice
Which two chemicals could you react to make only potassium chloride and water?
Potassium and hydrochloric acid
Potassium hydroxide and hydrochloric acid
Potassium oxide and sulfuric acid
Potassium and sulfuric acid
- 21. Multiple Choice
When producing a soluble salt in a reaction between an acid and an alkali, how can you prepare dry solid crystals from the solution?
Filtration
Neutralisation
Condensation
Evaporation/crystallisation
- 22. Multiple ChoiceWhat does pH measure?how acidic a substance ishow basic a substance ishow acidic or basic substances arehow many hydronium ions and acid produces
- 23. Multiple ChoiceA base has a _________________.sour tastepositive ionslippery feelpH of 5
- 24. Multiple Choice____________ can be corrosive.acidsbasesacids and basesneutral substances
- 25. Multiple ChoiceCa(OH)2 is caustic lime and is a(n) _________.acid or basebufferacidbase
- 26. Multiple ChoiceIonic bonds form between metals and ____.metalloidsmetalsnonmetals
- 27. Multiple ChoiceIn sodium chloride, sodium gives an electron to chlorine.TrueFalse
- 28. Multiple ChoiceIf you combine an acid and a base, this occurs.acidificationbasificationneutralizationnegativation
- 29. Multiple ChoiceWhich is the stronger acid?pH 1pH 4pH 8pH 13
- 30. Multiple ChoiceWhich of these salts decreases in solubility as the temperature increases.Ce2(SO4)3KClO3K2Cr2O7KNO3
- 31. Multiple ChoiceWhat salt is produced if you react sodium hydroxide with hydrochloric acid?sodium hydroxidesodium sulfatesodium nitratesodium chloride
- 32. Multiple ChoiceA salt is formed when nitric acid combines with sodium hydroxide. What is the name of the salt?Sodium chlorideSodium nitrateHydrogen NitrateNirate
- 33. Multiple ChoiceWhy must chemical equations be balanced?So that the equation doesn't explodeThe reaction won't happen until it is balancedMatter cannot be created or destroyedNone of these
- 34. Multiple ChoiceName the salt produced when reacting potassium hydroxide and phosphoric acid?Potassium chloridepotassium nitratepotassium sulfatepotassium phosphate
- 35. Multiple ChoiceWhich of the following is a salt: ammonia or sodium chloride?ammoniasodium chloride
- 36. Multiple Choice
What is the symbol for Copper?
C
co
Cu
CU
- Answer choicesTagsAnswer choicesTags