The following words are omitted from the passage below - Leaving Cert Chemistry - Question 25 - 2015
Question 25
The following words are omitted from the passage below.
zinc
gained
lost
oxidised
reduced
redox
Write in your answer book the omitted word corresponding to e... show full transcript
Worked Solution & Example Answer:The following words are omitted from the passage below - Leaving Cert Chemistry - Question 25 - 2015
Step 1
1. Fill in the blank with the correct term
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Answer
redox
Step 2
2. Fill in the blank with the correct term
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Answer
lost
Step 3
3. Fill in the blank with the correct term
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Answer
gained
Step 4
4. Fill in the blank with the correct term
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Answer
zinc
Step 5
5. Fill in the blank with the correct term
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Answer
reduced
Step 6
6. Fill in the blank with the correct term
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Answer
oxidised
Step 7
State one observation made when zinc reacts with copper sulfate
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Answer
The blue colour fades / zinc begins to dissolve / copper precipitates (forms) / zinc becomes coated with copper / zinc becomes brown (black, tarnished) / solution becomes warm / fizzing (bubbles)
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