Chemistry- acids, bases and salts

What acid is corrosive?
Sulfuric
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Safe acids we eat?
Ethonoic and citric
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What alkali is caustic?
Sodium hydroxide
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What is an indigestion remedy?
Magnesium hydroxide
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PH scale strengths?
Strong acid (0-2) weak acid (3-5) neutral (7) weak alkali (9-11) strong alkali (12-14)
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What does acid release?
H+ ions
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What does a base absorb?
H+ ions
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What does an alkali have?
A soluble base
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Neutralisation equation?
Acid + alkali - salt + water
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What produces something different during neutralisation?
Hydrogen ion + hydroxide ion = water
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Why is there no change to the sodium ions and chloride ions?
They are dissolved in water as a salt
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Acid + Metal?
Salt + hydrogen
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What is the hydrogen test?
Using a lighted splint against hydrogen causes a squeaky pop and creates bubbling
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What reaction is an acid and metal?
An exothermic reaction- it releases heat
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Acid + metal oxide?
Salt + water
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What type of reaction is this?
Exothermic reaction- releases heat
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Acid + metal hydroxide?
Salt + water
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What type of reaction is this?
Exothermic releases heat
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Acid + metal carbonate?
Salt + water + CO2
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What type of reaction is this?
Exothermic and effervesces
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What is observed when acid reacts with carbonate?
Fizzing, bubbles are seen because CO2 is a gas
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How do you test for carbon dioxide?
Using limewater
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How do you know if it's present?
Turns milky white and causes bubbling/fizzing during the experiment
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Hydrochloric becomes?
Chloride
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Sulfuric becomes?
Sulfate
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Nitric becomes?
Nitrate
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Other cards in this set

Card 2

Front

Safe acids we eat?

Back

Ethonoic and citric

Card 3

Front

What alkali is caustic?

Back

Preview of the front of card 3

Card 4

Front

What is an indigestion remedy?

Back

Preview of the front of card 4

Card 5

Front

PH scale strengths?

Back

Preview of the front of card 5
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