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- 1. 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
- 2. 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
- 3. Fill in the Blank
Bases turn red litmus paper _________.
- 4. Multiple ChoiceA(n) ______ is a substance with a pH less than 7AcidAlkalineBaseBuffer
- 5. Multiple ChoiceA(n) _______ is a substance with a pH greater than 7.BaseAcidBufferWater
- 6. 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
- 7. Multiple Choice
An acid
is a substance that releases H+ ions when dissolved in water
is a substance that does not release any ions when dissolved in water
is a substance that releases OH- when dissolved in water
releases an equal amount of OH- and H+ ions when dissolved in water
- 8. Multiple ChoiceA solution has a pH of 7.0. What would happen to the pH if H ions were added?pH would go uppH would go downpH would stay the sameNone of these
- 9. Multiple Choice
Unsweetened cocoa has a bitter taste. It is most likely which of the following?acidbaseneutralsalt - 10. Multiple Choice
From which point to which point in the pH scale is Base
7.1- 14
0- 6.9
6.2- 9.1
12- 14
- 11. Multiple Choice
Reaction between acid and alkali producing salt and water:
Combustion
Neutralization
Precipitation
Decomposition
- 12. Multiple ChoiceWhich of these solutions is an acid?Dish Soap: pH of 12Tomato Soup: pH of 4Baking Soda: pH of 9Drain Cleaner: pH of 14
- 13. Multiple ChoiceThe pH scale is a range from:1-70-141-141-20
- 14. Multiple Choice
pH paper has a range of colors to represent the different pH of solutions. Examine the results (color change) of the pH paper shown in the picture. What type of substance was tested?
an acid
a base
a neutral substance
none of the above
- 15. Multiple ChoiceBases will turn litmus paper __________, while acids will turn litmus paper __________.blue.....redred.....bluepink.........colourlesscolourless..........pink
- 16. Multiple ChoiceMany cleaning solutions are bases. Which of the following is a property of most bases?feels slipperywhite colorcan only be liquidtastes sour
- 17. Multiple Choice
The taste of acids is...
bitter and sweet
sweet and salty
slty
sour
- 18. Multiple ChoiceWhich has a pH above 7?AcidBase
- 19. Multiple Choice
ACID will change BLUE litmus paper to
red
blue
yellow
green
- Answer choicesTagsAnswer choicesTags