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- 1. Multiple ChoiceHuman blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?strongly acidicslightly acidicstrongly basicslightly basic
- 2. Multiple Choice
The table shows the pH of several solutions. Which solution is the most acidic?
vinegar
milk
water
bleach
- 3. Multiple Choice
Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?
lemon juice, milk, baking soda, bleach
bleach, baking soda, milk, lemon juice
milk, lemon juice, baking soda, bleach
baking soda, bleach, lemon juice, milk
- 4. Multiple Choice
If a solution has a pH of 1.5, then litmus would turn
red
purple
blue
yellow
- 5. Multiple ChoiceAn indicator will ______________ when it is in contact with an acid or baseBubbleForm a new substanceChange colorStay the same color
- 6. Multiple Choice
A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions
acid
base
salt
pH
- 7. Multiple ChoiceWhich of the following is a base?orange juicewatervinegardishwashing detergent
- 8. Multiple ChoiceWhich is the stronger acid?pH 1pH 4pH 8pH 13
- 9. 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
- 10. Multiple Choice
Which of these is a property of acidic solutions?
they taste sour
they feel slippery
they are in many cleaning products
they taste bitter
- 11. Multiple Choice
WHAT ARE THE PROPERTIES OF ACID ?
Acids are corrosive, sour,
Lemon
Mint
tastes bitter
- 12. Multiple ChoiceThe pH scale is a range from:1-70-141-141-20
- 13. Multiple ChoiceWhen dissolved in water, acids produce:basessaltshydrogen (H+) ionshydroxide (OH-) ions
- 14. Multiple Choice
Which of the following is alkali?
- 15. Multiple Choice
Pollution causes the pH of rain water fall below 5. What is such type of rain called?
acid rain
polluted rain
low pH rain
alkaline rain
- 16. Multiple ChoiceA(n) ______ is a substance with a pH less than 7AcidAlkalineBaseBuffer
- 17. Multiple ChoiceA(n) _______ is a substance with a pH greater than 7.BaseAcidBufferWater
- 18. Multiple Choice
In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is true about there relationship?
Both of the solution are Bases
Both of the solution are Acids
The Baking soda is an acid and the Bleach is a base
The baking soda is a base and the Bleach is an Acid.
- 19. Multiple Choice
A base is a substance
That releases OH- ions when dissolved in water
That releases H+ ions when dissolved in water
Does not release any ions when dissolved in water
None of the above
- 20. Multiple ChoiceOn the pH scale higher numbers indicateacidsbases
- 21. Multiple ChoiceAccording to the pH range which substance is more acidic than lemon juiceHydrochloric acidcabbagemilk
- Answer choicesTagsAnswer choicesTags