`49)`

Acid:

`HCl:` hydrochloric acid

`H_2SO_4:` sulfuric acid

`HNO_3:` nitric acid

`H_3PO_4:` phosphoric acid

`H_2CO_3:` carbonic acid

Base:

`NaOH:` sodium hydroxide

`KOH:` potassium hydroxide

`Ca(OH)_2:` calcium hydroxide

`Zn(OH)_2:` zinc hydroxide

`Mg(OH)_2:` magnesium hydroxdie

Oxide:

`BaO:` barium oxide

`CO_2:` carbon dioxide

`Al_2O_3:` aluminium oxide

`CO:` carbon monoxide

`Na_2O:` sodium oxide

Muối:

`Na_2SO_4:` sodium sulfate

`K_2CO_3:` potassium carbonate

`BaCl_2:` barium chloride

`CaSO_3:` calcium sulfite

`AlPO_4:` aluminium phosphate

`50)`

`2Al+3H_2SO_4->Al_2(SO_4)_3+3H_2`

`Al_2O_3+3H_2SO_4->Al_2(SO_4)_3+3H_2O`

`2Al(OH)_3+3H_2SO_4->Al_2(SO_4)_3+3H_2O`

`2Al+6H_2SO_{4đ}` $\xrightarrow{t^o}$ `Al_2(SO_4)_3+3SO_2+6H_2O`

Câu 50:

2Al + 3H2SO4 -> Al2(SO4)3 + 3H2

Al2O3 + 3H2SO4 -> Al2(SO4)3 + 3H2O

2Al + 3CuSO4 -> Al2(SO4)3 + 3Cu

2Al(OH)3 + 3H2SO4 -> Al2(SO4)3 + 6H2O

Câu 49:

acid:

HCl : hydrochloric acid

H2SO4 : sulfuric acid

HNO3 : nitrate acid

H2CO3 : carbonic acid

H2SO3 : sulfurous

base:

NaOH : Sodium hydroxide

KOH : Potassium hydroxide

Ba(OH)2 : Barium hydroxide

Ca(OH)2 : Calcium hydroxide

Fe(OH)2 : Iron (II) hydroxide

oxide:

CaO Calcium oxide

BaO Barium oxide

MgO Magnesium oxide

Al2O3 Aluminium oxide

Na2O Sodium oxide

muối:

Al2(SO4)3 Aluminium sulfate

BaSO4 Barium sulfate

NaCl Sodium chloride

KCl Potassium chloride

CaCO3 Calcium carbonate