A crash course on the basic differences between acids and bases. A crash course on the basic differences between acids and bases, complete with a classroom-friendly experiment demonstrating the ...
An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...
Carefully chop the cabbage and put small pieces into the bowl with 250ml of water from the tap, then mash it with a fork until the water turns bright purple. Pour 20-30ml of the purple liquid into ...
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