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Chemistry<3 > Acids & Bases > Flashcards

Acids & Bases Flashcards

0
Q

All salts

A

All salts containing Na+, K+, NH4+ soluble.

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1
Q

All nitrates

A

Soluble

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2
Q

All chlorides

A

Soluble. Except PbCl2 and AgCl.

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3
Q

All sulfates

A

Soluble. Except BaSO4, CaSO4, PbSO4

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4
Q

All carbonates

A

Insoluble. Except Na2CO3, K2CO3, (NH4)2CO3

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5
Q

Define an acid.

A

An acid is a substance that produces hydrogen ions when dissolved in water.

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6
Q

What are some unreactive metals

A

Copper, silver, gold, platinum

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7
Q

What are some reactive metals

A

Sodium, magnesium, potassium, calcium

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8
Q

Define a salt.

A

A salt is an ionic compound formed when the hydrogen ion of an acid is replaced by a metallic ion or an ammonium ion.

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9
Q

Define base.

A

A base is a metal oxide or hydroxide that reacts with an acid to produce a salt and water only.

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10
Q

Define alkali.

A

An alkali is a soluble base which dissolves in water to produce OH- ions.

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11
Q

Acid + base

A

Salt + water

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12
Q

Acid + metal

A

Salt + Hydrogen

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13
Q

Acid + carbonate

A

Salt + water + carbon dioxide

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14
Q

Alkali + ammonium salt

A

Salt + water + ammonia

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15
Q

Group I metal + water

A

Group I metal hydroxide + Hydrogen

16
Q

Use of hydrochloric acid

A

Remove impurities such as rust from steel and metal objects.

17
Q

Use of ethanoic acid

A

Food preservative. Flavour enhancer. Used to make adhesives such as glue.

18
Q

Use of phosphoric acid

A

Added to food and beverages for sour taste

19
Q

Use of dilute sulfuric acid

A

Used in car batteries; production of fertilizers.

20
Q

Use of concentrated sulfuric acid

A

Manufacture of detergents

21
Q

Use of magnesium oxide

A

Relieving gastric pain.

22
Q

Use of sodium hydroxide/potassium hydroxide

A

Preparation of soap and detergents

23
Q

Use of calcium hydroxide and calcium oxide

A

Reduce acidity in soil

24
Q

Use of ammonia solution

A

Use in production of fertilizers.

25
Q

Use of magnesium hydroxide

A

Used in toothpaste to neutralize acid on teeth. Relieving indigestion.

26
Q

Use of sulfuric acids in producing fertilizers.

A

Important starting material for the production of ammonium sulfate and superphosphate, which are active ingredients in fertilisers.

27
Q

Monobasic acid

A

An acid which dissociates to give one hydrogen ion.

28
Q

Dibasic acid.

A

An acid that dissociates to give 2 hydrogen ions.

29
Q

Hydrochloric acid pH

A

1

30
Q

Nitric acid pH

A

1

31
Q

Sulfuric acid pH

A

1

32
Q

Water pH

A

7

33
Q

Ethanoic acid pH

A

3

34
Q

Ammonia (aq) solution pH

A

10

35
Q

Sodium hydroxide pH

A

13

36
Q

Monobasic acid

A

An acid that dissociates to give one hydrogen ion per molecule in aqueous solution.

37
Q

Dibasic acid

A

An acid that dissociates to produce 2 hydrogen ions per molecule in aqueous solution.

Chemistry<3 (5 decks)

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