Single Answer MCQ
Q-00019110
Which of the following shows that an acid is present in a solution?
1
The solution turns red litmus blue.
2
The solution releases hydrogen gas with metals.
3
The solution tastes bitter.
4
The solution does not conduct electricity.
Answer and Solution
Answer
B. The solution releases hydrogen gas with metals.
Solution:
The presence of hydrogen gas during reactions with metals indicates that an acid is present in solution. The other options either describe base behavior or are incorrect.
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