Grade 10 · Science · Chemistry

10th grade Double replacement and solubility rules worksheet

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Double replacement and solubility rules

Grade 10 Science Worksheet

NameDate

Circle the best answer, or write your answer on the line.

In AgNO₃ + NaCl → AgCl + NaNO₃, 4 units of AgCl form. How many spectator ions, Na⁺ and NO₃⁻ together, stay dissolved, Ari?
In AgNO₃ + NaCl → AgCl + NaNO₃, 7 units of AgCl form. How many spectator ions, Na⁺ and NO₃⁻ together, stay dissolved, Bo?
3.
Will a solid form when sodium chloride and potassium nitrate solutions meet, Jun?
- Yes: KCl forms a solid
- No: both possible products dissolve
- Yes: NaNO₃ forms a solid
4.
Will a solid form when silver nitrate and potassium bromide solutions meet, Kira?
- Yes: KNO₃
- No: both products dissolve
- Yes: AgBr
5.
Will a solid form when calcium chloride and sodium phosphate solutions meet, Luz?
- Yes: NaCl
- Yes: Ca₃(PO₄)₂
- No: the products dissolve
6.
Which state symbols fit AgNO₃(aq) + NaCl(aq) → AgCl + NaNO₃, Milo?
- AgCl(s) and NaNO₃(aq)
- AgCl(aq) and NaNO₃(s)
- AgCl(s) and NaNO₃(s)
7.
Which state symbols fit CaCl₂(aq) + Na₂CO₃(aq) → CaCO₃ + 2 NaCl, Noah?
- CaCO₃(aq) and NaCl(s)
- CaCO₃(s) and NaCl(aq)
- CaCO₃(aq) and NaCl(aq)
8.
In FeCl₃(aq) + 3 NaOH(aq) → Fe(OH)₃ + 3 NaCl, which product gets (s), Pia?
- NaCl
- Fe(OH)₃
- Both products
9.
Silver nitrate solution meets potassium iodide solution. Which yellow precipitate forms, Tala?
- AgK
- KNO₃
- AgI
10.
Iron(III) chloride solution meets sodium hydroxide solution. Which insoluble solid forms, Zee?
- Fe(OH)₃
- FeOH
- NaCl

Double replacement and solubility rules. Every version has 10 questions, and the answer key prints on the second page.

I can swap partners in a double replacement and check each product in a short solubility table.
I can mark products (s) or (aq) and name the precipitate, or say that no solid forms.
I can find spectator ions and write a net ionic equation.
I can pick a pair of solutions that will or won't form a precipitate.

Standard: none (TX)

precipitate: An insoluble solid that forms when solutions meet

soluble: Dissolves in water; marked (aq)

insoluble: Does not dissolve noticeably; marked (s) when it forms

spectator ion: An ion that stays dissolved and unchanged

net ionic equation: The equation with spectator ions left out

Your child matched one NaCl to each CaCO₃. The 2 in front of NaCl means two NaCl units for every CaCO₃.

Your child counted only one kind of spectator ion. The positive and the negative spectator ions both stay dissolved.

Your child used a solubility rule but missed its exceptions. Check the exceptions column before deciding.

What is the most common mistake with double replacement and solubility rules?

Your child matched one NaCl to each CaCO₃. The 2 in front of NaCl means two NaCl units for every CaCO₃.

Are these 10th grade science worksheets free to print?

Yes. All 6 printable versions at each level are free to print, with the answer key, and no account is needed.

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