23201606
Question 1
Answer
- True
- False
Question 2
Answer
- True
- False
Question 3
Question
A litmus test can determine the pH level of a substance
Answer
- True
- False
Question 4
Question
The following are examples of bases: vinegar, lemon juice, tea
Answer
- True
- False
Question 5
Answer
- True
- False
Question 6
Answer
- True
- False
Question 7
Question
The pH level of lime water is 16
Answer
- True
- False
Question 8
Question
When tested with Universal Indicator, the most acidic substances will turn this colour
Answer
-
violet
-
orange
-
red
-
green
Question 9
Question
A substance with pH7 will come up this colour when tested with Universal Indicator
Answer
-
blue
-
orange
-
green
-
red
Question 10
Question
An alkali is a(n) [blank_start]_________[blank_end] that is dissolved in water
Answer
-
acid
-
base
Question 11
Question
When the properties of an acid are counteracted by a base, the reaction is called [blank_start]_____________[blank_end]
Answer
-
titration
-
neutralisation
Question 12
Answer
-
make a basic substance as acidic as possible
-
find out the exact amount of acid required to just neutralise a certain volume of a base
-
keep litmus paper from going mouldy in the lab
-
burn a strip of magnesium oxide
Question 13
Question
Neutralisation reaction: ACID + BASE → [blank_start]_____________[blank_end] + [blank_start]____________[blank_end]
Answer
-
Salt
-
Copper
-
Toothpaste
-
lime
-
pipette
-
water
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