Single replacement reactions and the activity series
Grade 10 Science Worksheet - Building Confidence
Circle the best answer, or write your answer on the line.
In Cu + 2 AgNO₃ → Cu(NO₃)₂ + 2 Ag, 3 copper atoms react. How many silver atoms form, Ari?
In Cu + 2 AgNO₃ → Cu(NO₃)₂ + 2 Ag, 4 copper atoms react. How many silver atoms form, Esme?
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Activity ladder (most active at the top) (CK-12 activity series)
metal replaces hydrogen from potassium (K) cold water sodium (Na) cold water magnesium (Mg) steam aluminum (Al) steam zinc (Zn) steam iron (Fe) steam nickel (Ni) acids tin (Sn) acids hydrogen (H₂) reference line copper (Cu) neither water nor acids silver (Ag) neither water nor acids gold (Au) neither water nor acids Using the ladder, which metal is the most active, Jun?
- Zinc
- Gold
- Potassium
Using the ladder, can copper replace hydrogen from an acid, Kira?
- Yes: copper is above hydrogen
- No: copper is below hydrogen
- Yes: copper is a shiny metal
Using the ladder, which metal can replace copper in a compound, Luz?
- Gold
- Silver
- Zinc
Which equation is a single replacement, Noah?
- Zn + CuSO₄ → ZnSO₄ + Cu
- 2 H₂ + O₂ → 2 H₂O
- CaCO₃ → CaO + CO₂
Zinc sits in blue copper sulfate solution. What coats the zinc, Pia?
- Gray silver crystals
- Yellow sulfur powder
- Reddish-brown copper
Will magnesium react with zinc nitrate solution, Ren?
- Yes: magnesium is above zinc
- No: magnesium is below zinc
- No: a metal can't replace a metal
Will silver react with copper(II) nitrate solution, Tala?
- Yes: silver is a shiny metal
- No: silver is below copper
- Yes: silver is above copper
Will iron react with dilute hydrochloric acid, Zee?
- No: acids don't react with metals
- No: iron is below hydrogen
- Yes: iron is above hydrogen