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Chemistry > Acids and Alkalines > Flashcards

Acids and Alkalines Flashcards

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0
Q

What is a pH from 0-6

A

An acid

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1
Q

What is an acid?

A

A solution lower than the pH of 7, there are excess hydrogen ions in the solution.

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2
Q

What is a pH of 7

A

Neutral

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3
Q

What is a pH of 8-14

A

An alkali

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4
Q

What colour is an acid with universal indicator

A

Red

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5
Q

What colour is neutral on a universal indicator

A

Green

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6
Q

What is the colour of an alkaline on a universal indicator

A

Blue or purple

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7
Q

What colour is acids in litmus

A

Red

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8
Q

What colour is neutral in Litmus

A

Purple

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9
Q

What colour is alkaline in litmus

A

Blue

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10
Q

What colour is acid in methyl orange

A

Pink

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11
Q

What colour is neutral and alkaline in methyl orange

A

Orange or yellow

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12
Q

What colour is acid in litmus blue

A

Pink

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13
Q

What colour is neutral and alkaline in litmus blue

A

Blue

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14
Q

What colour is acid and neutral in litmus red

A

Pink

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15
Q

What colour is alkaline in litmus red

A

Purple

16
Q

What colour is acid and neutral in phenolphthalein

A

Colourless

17
Q

What colour us alkaline in phenolphthalein

A

Bright pink

18
Q

What happens when you react an acid with metal oxide

A

Metal oxide + acid –> salt + water

19
Q

What happens when you react acids with metal hydroxide

A

Metal hydroxide + acid –> salt + water

20
Q

What happens when you react an acid with carbonates

A

Carbonate + acid –> carbon dioxide + water

Chemistry (15 decks)

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