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Chemistry WA3 > Uses of acids and alkalis > Flashcards

Uses of acids and alkalis Flashcards

1
Q

Alkali is used for…

A

window cleaners, detergent
can also to neutralize acids
toothpaste- to remove acids produced by bacteria

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2
Q

Acids is used for…

A

preserving food, medicines, fertilizers, car batteries

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3
Q

slaked lime for agricultural use is

A

calcium hydroxide (Ca(OH)2)

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4
Q

quick lime for agricultural use is

A

calcium oxide (CaO)

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5
Q

cause of acid rain

A

Nitrogen dioxide+O2+rain=sulfuric acid

Sulfur dioxide+rain=nitric acid

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6
Q

acid rain effects

A

damage on environment and structures

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7
Q

HCL

A

remove rust on iron and steel

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8
Q

H2SO4

A

car battery

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9
Q

HNO3

A

manufacture fertilizers

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10
Q

ETHANOIC ACID

A

food preservatives

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11
Q

NaOH

A

soaps and detergents

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12
Q

Ca(OH)2

A

reduce acidity of soil

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13
Q

NH3(aq)

A

fertilisers

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Chemistry WA3 (3 decks)

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