H 2 SO 4 + Zn  1) Sulphuric acid + zinc 3) Nitric acid + sodium thiosulphate 2) Hydrochloric acid + magnesium 4) Hydrogen peroxide with catalyst Popular.

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Presentation transcript:

H 2 SO 4 + Zn  1) Sulphuric acid + zinc 3) Nitric acid + sodium thiosulphate 2) Hydrochloric acid + magnesium 4) Hydrogen peroxide with catalyst Popular equations in SPM chemistry ZnSO 4 + H 2 HCl + Mg  MgCl 2 + H 2 HNO 3 + Na 2 S 2 O 3  NaNO 3 +S + H 2 O+ SO 2 H 2 O 2  H 2 O + O  Zinc sulphate + hydrogen  Magnesium chloride +hydrogen  Sodium nitrate +S + H 2 O+ SO 2  Water + oxygen

Zn + CuSO 4  1) Zinc + copper(II) sulphate 3) silver nitrate +potassium chloride 2) Chlorine + potassium iodide 4) Combustion of ethanol Popular equations in SPM chemistry ZnSO 4 + Cu Cl 2 + KI  KCl + I 2 AgNO 3 + KCl  AgCl + KNO 3 C 2 H 5 OH + O 2  + H 2 O CO 2 3  Zinc sulphate + copper  Potassium chloride + iodine  Silver chloride+potassium nitrate  carbon dioxide + oxygen

H 2 SO 4 + CuO  1) Sulphuric acid + copper(II) oxide 3) Nitric acid +sodium carbonate 2) Hydrochloric acid + sodium hydroxide Popular equations in SPM chemistry CuSO 4 + H 2 O HCl + NaOH  NaCl + H 2 O HNO 3 + Na 2 CO 3  NaNO 3 +CO 2 + H 2 O 2 2  copper(II) sulphate + water  Sodium chloride+ water  Sodium nitrate+CO 2 + H 2 O

Na + H 2 O  1) Sodium + water 3) Sodium + oxygen 2) Sodium + chlorine 4) copper(II) oxide + hydrogen Popular equations in SPM chemistry NaOH + H 2 Na + Cl 2  NaCl Na + O 2  Na 2 O CuO + H 2  Cu + H 2 O /2  Sodium oxide  Sodium chloride  Sodium hydroxide + hydrogen  Copper + water

PbO + H 2  1) lead(II) oxide + hydrogen 2) Zinc oxide + magnesium Popular equations in SPM chemistry Pb + H 2 O ZnO + Mg  MgO + Zn  Lead + water  Magnesium oxide + zinc