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- 1. Multiple ChoiceWhich of the following is a base?orange juicewatervinegardishwashing detergent
- 2. Multiple ChoiceWhich of the following statements is correct?Blue litmus paper turns red when placed in a base.Red litmus paper turns blue when placed in a base.Blue litmus paper stays blue when placed in an acid.Red litmus paper stays red when placed in a base.
- 3. Multiple ChoiceWhich of the following is an acid?shampoobaking sodaorange juicewater
- 4. Multiple ChoiceTastes bitter.AcidsBasesSaltsAll
- 5. Multiple ChoicePure water has a pH of 7. Pure water _______.is a baseis a neutral substancecould be either an acid or a baseis an acid
- 6. Multiple ChoiceWhich is the stronger acid?pH 1pH 4pH 8pH 13
- 7. Multiple Choice
What do acids do to red litmus paper?Turn it RedTurn it BlueTurn it YellowTurn it Green - 8. Multiple ChoiceWhich of the following is a positive for an acidBlue Litmus paper staying blueRed Litmus paper staying redPhenolphthalein being purpleBromothymol blue turning blue
- 9. Multiple ChoiceWhat is the name of the following acid: HClhydrochloric acidchloric acidperchloric acidchlorous acid
- 10. Multiple ChoiceWhat is the name of the following acid: H2SO4hydrosulfuric acidsulfuric acidsulfurous acidpersulfuric acid
- 11. Multiple ChoiceWhat is the name of the following: NaOHsodium hydroxidesodium oxide hydrogenhydrosodium acidsodium hydrogen oxide
- 12. Multiple ChoiceWhich food is the most acidic?bananaslemon juiceorange juicefish
- 13. Multiple Choiceproducts of a neutralisation reaction are alwaysan acid and a basean acid and a saltsalt and watersalt and base
- 14. Multiple Choice
Why is toothpaste alkaline?
It can neutralise strong alkaline in
your mouth
It can neutralise acid in
your mouth
It can refresh your teeth
Toothpaste is not alkaline.
- 15. Multiple Choice
... are used to neutralise acid in the stomach.
Toothpastes
Bacterias
Antacids
More strong acids
- 16. Multiple ChoicePure water has a pH of 7. Pure water _______.is a baseis a neutral substancecould be either an acid or a baseis an acid
- 17. Multiple Choiceproducts of a neutralisation reaction are alwaysan acid and a basean acid and a saltsalt and watersalt and base
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