A series of free Science Lessons for 7th Grade and 8th Grade, KS3 and Checkpoint Science in preparation for GCSE and IGCSE Science.
Metal carbonates reacting with acids
How different metal carbonates react with acids?
Metal carbonate + acid → salt + carbon dioxide + water
Acid + Metal Carbonate
Calcium carbonate + sulfuric acid → calcium sulfate, water and carbon dioxide
The gas released is tested with limewater (sodium hydroxide). Carbon dioxide will turn the limewater cloudy.
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe.
There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics
of fraction addition and subtraction or challenge yourself with the insane level.
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