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 - Challenge Me

NameDate

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

In FeCl₃ + 3 NaOH → Fe(OH)₃ + 3 NaCl, 2 units of Fe(OH)₃ form. How many spectator ions, Na⁺ and Cl⁻ together, stay dissolved, Ari?
In FeCl₃ + 3 NaOH → Fe(OH)₃ + 3 NaCl, 5 units of Fe(OH)₃ form. How many spectator ions, Na⁺ and Cl⁻ together, stay dissolved, Bo?
In FeCl₃ + 3 NaOH → Fe(OH)₃ + 3 NaCl, 4 units of Fe(OH)₃ form. How many spectator ions, Na⁺ and Cl⁻ together, stay dissolved, Esme?
4.
Which net ionic equation fits AgNO₃ + NaCl → AgCl + NaNO₃, Jun?
- Ag⁺ + NO₃⁻ → AgNO₃
- Na⁺ + NO₃⁻ → NaNO₃
- Ag⁺ + Cl⁻ → AgCl
5.
Which ions are spectators in CaCl₂ + Na₂CO₃ → CaCO₃ + 2 NaCl, Kira?
- Ca²⁺ and CO₃²⁻
- Na⁺ and Cl⁻
- Ca²⁺ and Cl⁻
6.
Milo says AgCl dissolves because chlorides are soluble. Agree or disagree?
- Agree: silver compounds dissolve
- Disagree: Ag⁺ is an exception
- Agree: the chloride rule has no exceptions
7.
Noah says Na₂CO₃ won't dissolve because carbonates are insoluble. Agree or disagree?
- Agree: sodium compounds sink in water
- Agree: the carbonate rule has no exceptions
- Disagree: group 1 carbonates dissolve
8.
Which pair of solutions forms white CaCO₃ when they meet, Ren?
- CaCl₂ and Na₂CO₃
- NaCl and Na₂CO₃
- CaCl₂ and NaNO₃
9.
Which pair of solutions forms no precipitate when they meet, Tala?
- CaCl₂ and K₂CO₃
- KCl and NaNO₃
- AgNO₃ and KCl
10.
A solution gives a white solid with silver nitrate. Which of its ions could cause the solid, Zee?
- Nitrate
- Chloride
- Sodium

10th grade Double replacement and solubility rules worksheet – printable — Print: 1 2 3 4 5 6

About this worksheet

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

What your child will learn

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)

Words to know

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

Common mistakes

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.

Questions parents ask

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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