Acids And Alkalis
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What is the pH of an acid and what colour will it turn would universal indicator
Less than 7 Red/Orange/Yellow
What is the pH of an alkaline solution and what colour will it turn with universal indicator?
Greater than 7 Blue/Purple
What is the pH of a neutral solution and what colour will it time with universal indicator?
7 Green
What is an indicator?
A substance that will change colour at a specific pH value
What is neutralisation?
The process of removing acidity or alkalinity by reacting an acid and an alkali together
What is the equation for neutralisation?
Acid + Alkali —> Salt + Water
What gas is made when a metal reacts with an acid
Hydrogen
What is the equation for the reaction between a metal and an acid?
Acid+ metal —> salt+ water
What gas is made when carbonate reacts with an acid
Carbon dioxide