11.2 Making salts – acids and carbonates
Authored by Mohamed M.Elhassan
Chemistry
8th Grade
Used 6+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungi can seriously damage crops leaves, seeds, or fruit, and roots.
False.
True.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do fungicides destroy?
Bacteria
Viruses
Fungi
Insects
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Fungi can..............................
increase crop yield.
reduce crop yield.
reduce fruit sourness.
reduce crop quality.
increase crop quality.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a natural source of fungicides?
Copper sulfate
Neem tree
Sulfuric acid
Copper oxide
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an artificial source of fungicides?
Copper sulfate
Neem tree
Sulfuric acid
Copper oxide
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which reaction is used to make copper sulfate on a large scale?
Reaction 1 Sulfuric acid + copper Copper sulfate + Hydrogen
Reaction 2 Sulfuric acid + Copper oxide Copper sulfate + Water
Reaction 3 Sulfuric acid + Copper carbonate Copper sulfate + Water + Carbon dioxide
Reactions 1, 2 only.
Reactions 2, 3 only.
Reactions 3, 1 only.
Reaction 1, 2 and 3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which reaction is the acid must be concentrated?
Reaction 1 Sulfuric acid + copper Copper sulfate + Hydrogen
Reaction 2 Sulfuric acid + Copper oxide Copper sulfate + Water
Reaction 3 Sulfuric acid + Copper carbonate Copper sulfate + Water + Carbon dioxide
Reactions 1, 2 only.
Reactions 2, 3 only.
Reaction 3 only.
Reaction 2 only
Reaction 1 only
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