Reactions Flashcards

(30 cards)

1
Q

metal + water

A

metal hydroxide + hydrogen

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2
Q

metal + iron

A

iron metal

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3
Q

metal + acid

A

metal salt + hydrogen

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4
Q

metal+ metal acid

A

metal + more reactive metal acid

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5
Q

metal oxide + acid

A

metal salt+water

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6
Q

metal hydroxide +acid

A

metal salt+ water

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7
Q

metal carbonate +acid

A

salt + water + carbondioxide

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8
Q

acid +alkali

A

salt +water

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9
Q

complete combustion

A

hydrocarbon + oxygen- water +carbon dioxide

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10
Q

incomplete combustion

A

hydrocarbon + oxygen(less)- water + carbon monoxide

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11
Q

hydrocarbon

A

water + carbon

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12
Q

metal half equation

A

Cu 2+ + 2e- _ Cu

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13
Q

halogen half equation

A

2Br- _ Br2 +2e-

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14
Q

Oxygen half equation

A

4OH-_ 2H20 + 02 + 4e-

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15
Q

hydrogen half equation

A

2H+ + 2e- _H2

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16
Q

Preparation of Oxygen

A

2H202_ 2H20 + 02

17
Q

metal + oxygen

18
Q

Preparation of Carbon dioxide

A

hydrochloric acid+ calcium carbonate_ calcium chloride + water + carbon dioxide
2HCL + CaCO3 _ CaCl2 + H2O + CO2

19
Q

Thermal decomposition- CO2

A

CuCO3_ CuO + CO2

20
Q

Combustion of Hydrogen

A

2H2 +O2 _ 2H2O

21
Q

Iron Rusts

A

iron + oxygen +water_ hydrated iron oxide

22
Q

Extracting iron 1

23
Q

Extracting iron 2

A

CO2 + C _ 2CO

24
Q

Extracting Iron 3

A

3CO + Fe2O3 _ 3CO2 +2Fe

25
EI- Removing Impurities 1
CaCO3 _ CaO + CO2
26
EI- Removing Impurities 2
CaO + SiO2 _ CaSiO3 (molten slag)
27
Sulphuric Acid- burn
S + O2 _ SO2
28
Sulphuric Acid- oxidised
SO2 +O2 __ 2SO3
29
Sulphuric Acid- dissolved
SO3 + H2S04 _ H2S2O7
30
Sulphuric Acid- diluted
H2S2O7 + H2O _ 2H2SO4