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Chemistry: Reaction of metals > Reaction of metals > Flashcards

Reaction of metals Flashcards

1
Q

Metal + Oxygen ->

A

metal oxide

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2
Q

metal + acid ->

A

salt + hydrogen

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3
Q

Hydrogen test

A

Lit splint

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4
Q

Hydrochloric acid

A

HCl

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5
Q

Sulfuric acid

A

H2SO4

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6
Q

Nitric acid

A

HNO3

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7
Q

sodium + hydrochloric acid ->

A

hydrogen + sodium chloride

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8
Q

sodium + sulfuric acid ->

A

hydrogen + sodium sulfate

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9
Q

sodium + nitric acid ->

A

hydrogen + sodium nitrate

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10
Q

What is Oxidation?

A

Loss of electrons

Gain of Oxygen

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11
Q

What is Reduction?

A

Gain of electrons

Loss of oxygen

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12
Q

Give two observations, zinc carbonate is added in excess:

A

1) White powder going to colourless (solid will dissolve)
2) Excess powder sink to the bottom

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13
Q

Ores

A

a rock from which metal can be extracted from( for profit)

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14
Q

Native metals are

A

unreactive

Eg. Au, Pt

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15
Q

Copper is obtained from its ore. Why wouldn’t this work for magnesium? (6m)

A
  • An ore is a rock from which a metal can be extracted from for profit
  • Copper is removed by carbon to displace our metal
  • Magnesium is more reactive than carbon and needs electrolysis
  • Copper+ carbon -> carbondioxide + copper
  • In copper equation Cu is being reduced and C is being oxidised
  • Mg is being reduced and C is being oxidised
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16
Q

silver chloride + sodium->

A

sodium chloride + silver

17
Q

3 types of bases

A
  • metal oxides CuO, CaO, Li2O
  • metal hydroxides LiOH, mg(OH)2
  • metal carbonate mgco3, CaCO3
18
Q

metal oxide or metal hydroxide + acid ->

A

salt + water

19
Q

metal carbonate + acid ->

A

salt + water + carbondioxide

20
Q

Acid + base ->

A

salt + water

21
Q

Neutralisation equation

A

H^+(aq) +OH^- -> H2O

22
Q

Ways the pH value can be measured is..

A

Indicator
pH probe(more accurate)

Chemistry: Reaction of metals (1 decks)

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