Zusammenfassung der Ressource
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Acids are corrosive
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Bases are corrosive
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A litmus test can determine the pH level of a substance
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The following are examples of bases: vinegar, lemon juice, tea
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The pH level of pure water is 7
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Toothpaste is not an acid
Frage 7
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The pH level of lime water is 16
Frage 8
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When tested with Universal Indicator, the most acidic substances will turn this colour
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A substance with pH7 will come up this colour when tested with Universal Indicator
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An alkali is a(n) [blank_start]_________[blank_end] that is dissolved in water
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When the properties of an acid are counteracted by a base, the reaction is called [blank_start]_____________[blank_end]
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Titration is a method used to:
Antworten
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make a basic substance as acidic as possible
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find out the exact amount of acid required to just neutralise a certain volume of a base
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keep litmus paper from going mouldy in the lab
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burn a strip of magnesium oxide
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Neutralisation reaction: ACID + BASE → [blank_start]_____________[blank_end] + [blank_start]____________[blank_end]
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Salt
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Copper
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Toothpaste
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lime
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pipette
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water