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Chemistry > Chemistry Ka3 > Flashcards

Chemistry Ka3 Flashcards

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1
Q

What does the name of a salt depend on?

A

The metal used
The acid used
The positive ion in the base, alkali or carbonate used

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2
Q

When magnesium reacts with hydrochloric acid, two products are hydrogen and magnesium. What is the equation?

A

Mg + 2HCl –> MgCl₂ + H₂

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3
Q

Mg+2HCl₂ +H₂

What is this called?

A

A redox reaction because it has both reduction and oxidation

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4
Q

Fe - 2e⁻ –> ???

A

Fe²⁺

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5
Q

What is a base?

A

An insoluble metal hydroxide (magnesium hydroxide) and a metal oxide (copper oxide)

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6
Q

What is insoluble?

A

Something that doesn’t dissolve in water

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7
Q

What is an alkali?

A

A soluble metal hydroxide (sodium hydroxide)

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8
Q

What is an example of a metal carbonate?

A

Copper carbonate

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9
Q

What is potassium hydroxide?

A

An alkali

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10
Q

What is zinc hydroxide (insoluble)

A

A base

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11
Q

What is magnesium oxide?

A

A base

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12
Q

What is calcium oxide?

A

A base

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13
Q

How do u remember making salts?

A

MASH
BASH
AASH
MCASHC

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14
Q

What does MASH stand for?

A

Metal + acid –> salt + Hydrogen

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15
Q

What does BASH stand for?

A

Base + acid –> salt + Water

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16
Q

What does AASH stand for?

A

Alkali + acid –> salt + water

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17
Q

What does MCASHC stand for?

A

Metal carbonate + acid –> salt + water + carbon dioxide

18
Q

Hydrochloric acid +magnesium oxide = ???

A

Magnesium chloride

19
Q

Sulfuric acid + copper hydroxide =

A

Copper sulphate

20
Q

Nitric acid + potassium oxide =

A

Potassium nitrate

21
Q

A student wanted to make potassium nitrate. Why would it not be sensible for her to do this?

A

Because potassium is very reactive and may explode when in contact with nitric acid

22
Q

A student wanted to make copper sulphate. Why would it not be sensible for her to react copper with sulfuric acid?

A

It will not react as the copper will not displace the hydrogen because it is less reactive

23
Q

If a gas was produced what might you see?

A

Fizzing

24
Q

What happens when a metal reacts?

A

It gets smaller

25
Q

What is the symbol for magnesium sulfate?

A

MgSO4

26
Q

What is the symbol for hydrogen?

A

H₂

27
Q

What is the ionic equation for neutralisation?

A

H⁺ (aq) + OH⁻ (aq) –> H₂O (L)

28
Q

What is this state symbol: (s)

A

Solid

29
Q

What is this state symbol (g)

A

Gas

30
Q

What is this state symbol: (L)

A

Liquid

31
Q

What is this state symbol: (aq)

A

Aqueous

32
Q

Magnesium bromide Mg²⁺ Br⁻

A

MgBr₂

33
Q

Aluminium chloride Al³⁺

A

AlCl3

34
Q

Aluminium hydroxide Al³⁺ OH⁻

A

Al³ ⁺ OH⁻ Al(OH),3
OH⁻
OH⁻

35
Q

What is soluble

A

Dissolves in water

36
Q

What is insoluble

A

Doesn’t dissolve in water

37
Q

What do all acids release into a solution when added to water?

A

H⁺ (aq) ions

38
Q

What is the reaction between an acid and an alkali called?

A

Neutralisation

39
Q

Acid + carbonate –>

A

salt + water + carbon dioxide

40
Q

Magnesium nitrate

Mg² ⁺ NO,3⁻

A

Mg(NO,3)₂

Chemistry (5 decks)

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