Mixtures In Daily Life: Solubility, Safety And Smart Experiments

Use mixture science in home and lab situations

ScienceGrade 9Mixed12 questions24 min

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Section A: Solubility and Daily Practices · 6 questionsSection B: Laboratory Inquiry and Safe Apparatus · 6 questions

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Section A: Solubility and Daily Practices

Apply solubility and separation ideas to real-life examples.

Choose the best explanation.

Question 1

EasyQuestion

A solubility graph shows how solubility changes with:

Topic: Solubility and Daily Life · Skill: Analyse solubility temperature graphs

Question 2

MediumQuestion

If solubility of a salt decreases on cooling, crystals may form because:

Topic: Solubility and Daily Life · Skill: Analyse solubility temperature graphs

Question 3

EasyQuestion

Winnowing separates grain from husk using:

Topic: Solubility and Daily Life · Skill: Relate separation methods to daily practices

Question 4

MediumQuestion

Sieving works when components differ in:

Topic: Solubility and Daily Life · Skill: Relate separation methods to daily practices

Question 5

MediumQuestion

Evaporation is commonly used to obtain:

Topic: Solubility and Daily Life · Skill: Relate separation methods to daily practices

What this assignment covers

Students connect solubility graphs, daily separation practices, safe apparatus handling and experiment planning.

Skills and sections

Analyse solubility temperature graphs, Relate separation methods to daily practices, Use laboratory apparatus safely, Design separation apparatus models, Plan experiments on mixtures

Section A: Solubility and Daily Practices: 6 questions
Section B: Laboratory Inquiry and Safe Apparatus: 6 questions