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- 1. Multiple Choice
What is the hazard shown in this hazard sign?
Explosive
Corrosive
Irritant
High level Irritant
- 2. Multiple ChoiceWhat colour is universal indicator in a strong alkali?GreenOrangePurpleRed
- 3. Multiple ChoiceWhat colour is universal indicator in a neutral solution?GreenOrangePurpleRed
- 4. Multiple ChoiceWhat colour is universal indicator in strong acid?GreenOrangePurpleRed
- 5. Multiple Choice
Strong acids and strong alkalis are.......
Able to turn blue litmus paper red
Corrosive
Sour
Sweet
- 6. Multiple ChoiceThe pH scale is a range from:1-70-141-141-20
- 7. Multiple ChoiceA(n) ______ is a substance with a pH less than 7AcidAlkalineBaseBuffer
- 8. Multiple ChoiceA(n) _______ is a substance with a pH greater than 7.BaseAcidBufferWater
- 9. Multiple ChoiceWhat is the only substance with a neutral pH of 7?MilkOrange JuiceWaterBlood
- 10. Multiple ChoiceA solution with a pH of 3.6 would be...AcidBaseNeutralAcid and Base
- 11. Multiple ChoiceA solution with a pH of 8.6 would be...AcidBaseNeutralAcid and Base
- 12. Multiple ChoiceAccording to the pH range which substance is more acidic than lemon juiceHydrochloric acidcabbagemilk
- 13. Multiple Choice
Bleach is a strong alkali, what is the pH level of bleach?
13
10.5
1
2
- 14. Multiple Choice
Acid + Alkali --> Salt + Water
neutralization reaction
synthesis
decomposition
single displacement
- 15. Multiple ChoiceA neutralization reaction will always produce...water & saltwatersaltwater & carbon
- 16. Multiple Choice
Indicator that only changes colour at pH = 7
Universal indicator
Litmus paper
- 17. Multiple Choice
Acids are source of
hydrogen ions
hydroxide ions
- 18. Multiple Choice
Alkalis are source of
hydrogen ions
hydroxide ions
- Answer choicesTagsAnswer choicesTags