Acid And Alkalis Y8 C Flashcards

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1
Q

How many numbers in the ph scale?

A

14

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2
Q

What numbers are neutral on the ph scale?

A

7 is the most neutral but 6 is very weekly acidic and 8 is very weekly alkaline. All the numbers a shade of green

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3
Q

What colours are alkali and acid?

A

Acid is red/ orange, alkaline is purple/blue

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4
Q

What numbers are acid and alkaline on the ph scale?

A

Acid is 0-7 (0 being the most acidic) alkaline is 7-14(14 being the most acidic

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5
Q

What neutralises a acid?

A

And alkaline

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6
Q

What neutralises alkaline

A

An acid

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7
Q

List some examples of acids that we have in our home?

A

Lemon 🍋, vinegar, coke, coffee.

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8
Q

Describe two acids that may be used to make fertilisers.

A

Sulphuric acid, hydrochloric acid.

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9
Q

Suggest what taste acids in common

A

Quite sour.

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10
Q

Why do you use diluted acid in schools?

A

If you spillage acid on your hands, it will only be irritated 😣 because there are fewer acid particles.

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11
Q

What precautions should you take when working with acids?

A

Wear gloves 🧤,tie your hair back and wear goggles 🥽

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12
Q

Why are more concentrated acids more harmful?

A

There more harmful because the particles are more close together.

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13
Q

Name some alkaline cleaning products

A

Soap 🧼 , disinfect, oven cleaner

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14
Q

Name two alkalis that are safe to put In your mouth and two that are not.

A

Bleach and oven cleaner are not safe, toothpaste and baking powder is safe

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15
Q

How would life change if there were no alkaline?

A

You wouldn’t be able to wash

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