Chemical Properties Of Acids

Acidic, Basic and Neutral materials of Class 7

REACTION OF ACIDS WITH METALS:

When acid reacts with a metal, then salt and hydrogen gas are formed.

For example

Metal + Acid  → Salt + Hydrogen gas

  • The reaction of dil with zinc metal.

Experiment:

zinc granules are taken in glass with 5 ml dilute sulphuric acid, due to the reaction of an acid with metal hydrogen gas forms and produces bubbles

  • Gas test: Bring a burning candle near the gas-filled soap bubble.
  • Observation: The gas present in the soap bubble burns with a pop sound which shows the gas that evolved during the reaction is hydrogen gas.

displacement reaction

metal acid reaction

acid metal reaction revision

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