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Science-Emer > Chap 26: Acids And Bases > Flashcards

Chap 26: Acids And Bases Flashcards

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1
Q

3 Types of acid and examples

A

Citric acid-citrus fruit
Ethanoic acid-vinegar
Carbonic acid-fizzy drinks

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2
Q

Lab acids

A

Hydrochloric acid

Sulphuric acid

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3
Q

Hydrochloric acid

A

HCl

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4
Q

Sulphuric acid

A

H2SO4

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5
Q

Alkali

A

A base soluble in water

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6
Q

4 everyday examples of bases

A

Toothpaste
Soap
Bleach
Oven cooking

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7
Q

Lab bases

A

Sodium Hydroxide

Calcium hydroxide

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8
Q

Sodium hydroxide

A

NaOH

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9
Q

Calcium hydroxide

A

CAOH2

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10
Q

Indicator

A

A chemical that shows by means of color change whether a substance is an acid or a base

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11
Q

What happens to Litmus paper?

A

An acid turns blue litmus paper red and a base turns red litmus paper blue

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12
Q

Explain the pH scale

A

Goes from 0-14
Tells how strong or weak an acid or a base is
Neutral= pH 7
AcidpH7

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13
Q

Acid + Base=

A

Salt and water

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14
Q

Hydrochloric acid + sodium hydroxide=

A

Sodium chloride + water

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15
Q

HCL + NaOH = NaCl + H2O

A

NaCl + H2O

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16
Q

Everyday examples of neutralization

A
  • Indigestion tablets are bases which neutralize excess stomach acid
  • Lime is a base which neutralizes acid in soil
  • Toothpaste is a base which neutralizes acid in the mouth
  • wasp stings are basic, neutralized with vinegar and lemon juice
  • Nettle, bee and ant stings are acidic, neutralized with toothpaste or baking soda
17
Q

Neutralization experiment name

A

To titrate Hydrochloric acid (HCl) against sodium hydroxide (NaOH) and prepare a sample of sodium chloride (NaCl)

18
Q

One characteristic of an acid

A

Sharp, sour taste

Science-Emer (16 decks)

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