Single Answer MCQ
Q-00019103
What do all acids have in common regarding their reaction with metals?
1
They produce carbon dioxide.
2
They generate hydrogen gas.
3
They turn blue litmus red.
4
They are always colorless.
Answer and Solution
Answer
B. They generate hydrogen gas.
Solution:
All acids generate hydrogen gas when they react with metals. The other options either do not apply to all acids or describe properties that aren’t consistently valid.
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