4727939
Description
Quiz by Josh Anderson, updated more than 1 year ago
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Created by Josh Anderson
about 8 years ago
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Question 1
Question
When the number is written in brackets, that means it is below the line and smaller.
[blank_start]4[blank_end]NH(3) + [blank_start]5[blank_end]O(2) -----> [blank_start]4[blank_end]NO + [blank_start]3[blank_end]H(2)O
Answer
-
4
-
5
-
4
-
3
Question 2
Question
When the number is written in brackets, that means it is below the line and smaller.
[blank_start]4[blank_end]Al + [blank_start]3[blank_end]O(2) -----> [blank_start]2[blank_end]Al(2)O(3)
Answer
-
4
-
3
-
2
Question 3
Question
When the number is written in brackets, that means it is below the line and smaller.
[blank_start]1[blank_end]Au(2)S(3) + [blank_start]3[blank_end]H(2) -----> [blank_start]2[blank_end]Au + [blank_start]3[blank_end]H(2)s
Answer
-
1
-
3
-
2
-
3
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