C1.4.1 Acids and Alkalis Flashcards

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1
Q

Acids all taste…

A

sour

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2
Q

Alkalis all feel…

A

soapy

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3
Q

Vinegar, oranges and lemons all contain an acid or alkali?

A

Acid

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4
Q

Toothpaste, soap and bleach all contain an acid or alkali?

A

Alkali

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5
Q

What is the main hazard linked to acids?

A

They are corrosive (will burn your skin or eyes)

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6
Q

What safety precautions can we take when working with acids and alkalis?

A

Wear safety glasses

Wear gloves

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7
Q

Which acid is found in vinegar?

A

Ethanoic acid

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8
Q

Which acid is found in citrus fruits such as lemons and limes?

A

Citric acid

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9
Q

Which type of acid is found in your stomach?

A

Hydrochloric Acid

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10
Q

How can we dilute acids and alkalis?

A

By adding water to them

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11
Q

Which are more dangerous: concentrated acids and alkalis or dilute acids and alkalis?

A

Concentrated acids and alkalis

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12
Q

What is meant by a concentrated acid?

A

An acid that contains many more acid particles (H+) compared to water particles.

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13
Q

What is meant by a concentrated alkali?

A

An alkali that contains many more alkali particles (OH-) compared to water particles.

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14
Q

What is the scientific name for acid particles?

A

H+ (hydrogen ions)

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15
Q

What is the scientific name for alkali particles?

A

OH- (hydroxide ions)

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