acid observations

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Last updated 12:41 PM on 5/1/26
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12 Terms

1
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Potassium (K)

Violent explosion; flame may be seen; extremely dangerous.

2
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Sodium (Na)

Violent explosion; very dangerous.

3
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Calcium (Ca)

Rapid bubbling (effervescence); heat evolved; metal disappears quickly.

4
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Magnesium (Mg)

Steady effervescence; metal disappears; test tube becomes hot.

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Aluminium (Al)

Reaction starts slowly due to oxide layer then becomes vigorous with bubbles.

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Zinc (Zn)

Steady stream of bubbles; slower than magnesium.

7
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Iron (Fe)

Slow formation of bubbles; requires some time to see reaction.

8
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Lead (Pb)

A few bubbles may form initially then stops (due to formation of insoluble layer).

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Copper (Cu)

No bubbles seen; no change in metal.

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Silver (Ag)

No observable change.

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Gold (Au)

No observable change.

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Platinum (Pt)

No observable change.