Acids and Alkalis Flashcards

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1
Q

What pH can an alkali be

A

8-14

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2
Q

What pH can an acid be

A

1-6

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3
Q

What pH is neutral

A

7

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4
Q

What do you use to find out the pH of a chemical

A

An Indicator

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5
Q

How many types of indicator are there

A

4

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6
Q

What are all the types of indicator

A

universal indicators, natural indicators, litmus paper and pH metres

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7
Q

What colour would the universal indicator turn in water

A

Green

Water is neutral and it turns green in water

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8
Q

What colour would the litmus paper turn if you put it in an acid

A

Red

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9
Q

If the litmus paper is blue what type of chemical is it in

A

An Alkali

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10
Q

What is produced after something is neutralised

A

Water and Salt

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11
Q

Is vinegar an acid or alkali

A

Acid

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12
Q

What colour would the universal indicator turn in hydrochloric acid

A

Red

Hydrochloric acid is a strong acid so the univeral indicator turns red

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13
Q

What does an indicator do

A

Lets you know if a chemical is an acid or an alkali (some can tell you the pH)

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