Class 5 · Science · Hard level · 5 questions
Solutions & Dissolving: Apply It
What dissolving really is, what changes the speed, and how to get the solid back. In Class 5 Science the topic covers soluble and insoluble, nothing is lost, what makes dissolving faster and getting it back. This quiz is the hardest level, with Class 5 exam-style questions that mix the ideas together. 5 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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Your score is saved against Solutions & Dissolving, so you can see which topics are solid and which need another go.