Acids, Alkalis And Salts Flashcards by Millie Davies

Q

Methyl orange: acidic

A

Red

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Q

Methyl orange: alkali

A

Yellow

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Q

Phenolphthalein: acidic

A

Colourless

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Q

Litmus: acidic

A

Red

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Q

Litmus: neutral

A

Purple

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Q

Litmus: alkali

A

Blue

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Q

Phenolphthalein: alkali

A

Pink

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Q

Acids are a source of…

A

H+ ions

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Q

Alkalis are a source of…

A

OH- ions

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Q

common sodium, potassium and ammonium salts are…

A

soluble

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Q

nitrates are…

A

soluble

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Q

common chlorides are…

A

soluble

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Q

exceptions to the chloride rule…

A

silver chloride

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Q

common sulfates are…

A

soluble

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Q

exceptions to the sulfate rule…

A

barium and calcium sulfates

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Q

common carbonates are…

A

insoluble

Q

exceptions to the carbonate rule…

A

potassium, sodium and ammonium sulfates

Q

making soluble salts using acids and…

A

insoluble bases

Q

what is a precipitation reaction?

A

mix the two solutions that contain the ions you need

Q

Concentration of an acid- the formula

A

no. of moles= concentration x volume