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Chemistry > Atmosphere > Flashcards

Atmosphere Flashcards

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1
Q

What colour is an acid in Methyl orange

A

Red

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2
Q

What colour is an acid in phenolphthalein

A

Colourless

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3
Q

What colour is an acid in red litmus’s paper

A

Red

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4
Q

What colour is an acid in blue litmuss paper

A

Red

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5
Q

What colour is an alkaline in methyl orange

A

Yellow

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6
Q

What colour is an alkaline in phenolphthalein

A

Pink

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7
Q

What colour is an alkaline in red litmus paper

A

Blue

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8
Q

What colour is an alkaline in blue litmus paper

A

Blue

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9
Q

What colour is something neutral in methyl orange

A

Yellow

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10
Q

What colour is something neutral in phenolphthalein

A

Colourless

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11
Q

What colour is something neutral in red litmus paper

A

Red

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12
Q

What colour is something neutral in blue litmus paper

A

Blue

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13
Q

What is 1 - 3 on the pH scale

A

Strong acid - e.g hydrochloric acid

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14
Q

What is 4-6 on the pH scale

A

Weak acid - sulphurous acid

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15
Q

What is 7 on the pH scale

A

Neutral - water

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16
Q

What is 8-10 on the pH scale

A

Weak alkaline- e.g calcium hydroxide

17
Q

What is 11-14 on the pH scale

A

Strong alkaline - e.g ammonium hydroxide

Chemistry (9 decks)

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