kiselevandrei6328 kiselevandrei6328

03-04-2024
Chemistry

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A student added dilute HCl to a test tube containing zinc granules. Which of the following observations are correct?
I. Zinc surface became dull and black.
II. A gas was evolved which burnt with a pop sound.
III. The solution remained colourless.
a. I and II
b. I and III
c. II and III
Id. II and III

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