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Cambridge Combined Sciences Flash cards > Chemistry: Acids, Bases and Salts (C8) > Flashcards

Chemistry: Acids, Bases and Salts (C8) Flashcards

1
Q

Acid

A

A substance with particular properties, including turning litmus red, neutralising and dissolving certain metals.

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2
Q

Corrosive

A

A material that can attack and chemically destroy metals, tissue and can cause damage the instant it is touched.

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3
Q

Mineral acids

A

A chemical compound originating from a reaction between an inorganic compound and its dissociation to produce hydrogen ions.

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4
Q

Indicator

A

A tool used to test different chemical properties of a substance, usually by a change in colour.

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5
Q

Cancelled out

A

To reduce the effect of something or for it to be equal to something else that has the opposite effect.

Italiano: Cancellato

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6
Q

Turns

A

Italiano: Gira

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7
Q

Reverse

A

Italiano: inversione

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8
Q

Alkalis

A

A chemica that is basic

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9
Q

Soaked

A

Italiano: bagnato/imbevuto

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10
Q

Dipped

A

Italiano: immerso

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11
Q

Universal Indicator / Full - range indicator

A

A pH indicator made of a solution that changes colour when in contact with solutions of certain pH levels.

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12
Q

Spectrum

A

Italiano: spettro

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13
Q

pH

A

Unit used to measure the acidity of a solution

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14
Q

pH Scale

A

A measure of how acidic or basic a solution is.

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15
Q

Sensitive

A

Italiano: sensibilità

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16
Q

Narrow range

A

Italiano: gamma ristretta

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17
Q

pH meter

A

Used to measure the acidity of a solution

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18
Q

Distilled Water

A

Water that is completely free from any sort of dissolved or suspended solids and organisms.

Italiano: acqua distillata

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19
Q

Hydrogen ions

A

Nucleus of a Hydrogen atom separated from its accompanying electron.

Italiano: ione di idrogeno

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20
Q

Potenz H(ydrogen)

A

pH is the abbreviation for Potenz H (power of hydrogen)

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21
Q

Organic solvent

A

Carbon based substances, capable of dissolving or dispersing one or more other substances.

Italiano: solvente organico

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22
Q

Covalently bonded

A

The interatomic linkage resulting from sharing an electron pair between two atoms.

Italiano: covalentemente legato

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23
Q

Acidic oxides

A

An oxide which when combined with water, gives off an acid.

Italiano: Ossidi acidi

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24
Q

Dilute

A

Italiano: diluire

25
Q

Concentrated

A

Italiano: concentrato (e.g. concentrato di calcio)

26
Q

Probe

A

Italiano: sonda

27
Q

Acid and Alkali

A

Any substance with a pH under 7 is considered an Acid while if over 7, is considered an Alkali.

Italiano: acidi e alcali

28
Q

Basic oxides

A

A base without water, also called base anhydrides

29
Q

Neutral oxides

A

An oxide that is neither acidic nor basic.

30
Q

White precipitate

A

A heavy white amorphous powder, usually obtained by adding ammonia to mercuric chlorides or corrosive sublimates.

31
Q

Amphoteric hydroxide

A

Hydroxide salts that can act as either acids or bases depending on the reaction conditions.

32
Q

Soil pH and plant growth

A

Depending on the pH of the soil, the plant may grow more or not at all, with most plants preferring a pH range between 6.5 and 7.5.

33
Q

Peat content

A

Peat is an organic fuel consisting of spongy material created by decomposing organic matter and certain minerals.

34
Q

Chalky areas

A

Italiano: zone gessose

35
Q

Liming

A

Italiano: Calcinazione

36
Q

Flue-gas desulfuriser

A

A process that removes sulphur dioxide from from flue gas

37
Q

Built - in

A

Italiano: integrato

38
Q

Slaked lime

A

Calcium hydroxide

39
Q

Fertilisers

A

Organic or inorganic substances containing chemical elements to improve growth of plants and fertility of soil

40
Q

Insoluble

A

A substance that will not dissolve in a solvent, even after mixing.

Italiano: insolubile

41
Q

Bases

A

A chemical species that detonates electrons, accepts protons or releases hydroxide ions in a liquid.

42
Q

Neutralisation

A

A reaction where an acid reacts with an alkali to form a neutral solution made of salt and water.

43
Q

Alkalis

A

Alkalis are basic, ionic salts of an alkali metal or alkaline earth metal, an alkaline is also a solution with a pH over 7.

44
Q

Antacids

A

Any substance used to counteract or neutralise gastric acids, usually used as medicine.

45
Q

Reactive metal

A

Italiano: Metallo reattivo

46
Q

Metal Carbonate

A

A salt of carbonic acid.

47
Q

Salt

A

Substance produced from the reaction of acid with a base.

48
Q

Parent acid

A

The acid which produces a salt with an appropriate base.

49
Q

Displace

A

Italiano: Spostare

50
Q

Marble chips

A

Can also be written as: Pieces of marble

Italiano: Scaglie di marmo

51
Q

Fizzes

A

Italiano: sfrigolare, spumare.

52
Q

Cloudy

A

Italiano: torbida

53
Q

Ionic compounds

A

Compounds that contain ions, held together by the attractive forces of oppositely charged ions.

54
Q

Filtered out and Filtered off

A

Filtration, the process in which solid particles in a liquid or gas are removed through the use of a filter medium, allowing the gas or liquid to pass through, while retaining the solid particles.

55
Q

Dried

A

Italiano: asciutto, secco.

56
Q

Titration

A

The process of determining the quantity of a substance by adding measured increments of another substance, with which it reacts until exact chemical equivalence is achieved.

57
Q

End - Point

A

Italiano: Punto finale, meta.

58
Q

Precipitations

A

A type of reaction in which two or more reactants react together to form an insoluble solid, commonly known as precipitate.

59
Q

Falls

A

Italiano: Cade

Cambridge Combined Sciences Flash cards (3 decks)

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