VIRTUAL BIOLOGY LAB · LAB 18

🥑 Food Test: Lipids

Explore the ethanol emulsion test for fats and oils.

CBSE Classes 9–10Interactive practicalDrag & drop challengeStudent notebook

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🔎 Learning objective

Explore the ethanol emulsion test for fats and oils.

3Hands-on matches

1Knowledge check

🧬 Interactive laboratory workspace

Explore the biological idea using the model controls. This is a conceptual classroom simulation.

🥑

Food Test: Lipids

A milky-white emulsion indicates lipids in the sample.

PRACTICAL WORKBENCH · EXPERIMENT 18

🧪 Food-analysis bench: Test for lipids

The emulsion test indicates lipids; use ethanol safely and follow teacher supervision.

Ready to begin

APPARATUS & EXPERIMENT CONTROLS

01 · Set up apparatus02 · Adjust variables03 · Run trial04 · Record reading

Food sample Solvent amount Mixing time

◉Emulsion▤

OBSERVATION & MEASUREMENTS

Food sample—

Solvent amount—

Mixing time—

Lipid result—Awaiting run

The emulsion test indicates lipids; use ethanol safely and follow teacher supervision.

Scientific interpretation will appear after the trial.

Scientific note: Mix the sample with ethanol, then add water and observe whether a cloudy emulsion forms.

Model conditionObservation focus

Model ready. Choose a condition and run the model to see an observation.

🧪 Hands-on drag & drop challenge

PRACTICAL SKILL BUILDER

Drag each item from the tray to its correct destination. On a phone or tablet, tap an item and then tap its destination. Complete all three matches to finish.

🧰 MATERIALS & CONCEPTS

🎯 DROP ZONES

Choose an item and place it in the matching zone.

📓 Observation notebook

Record your observation and export it for revision.

Key concept: A milky-white emulsion indicates lipids in the sample.

🎯 Quick knowledge check

A milky emulsion indicates:

Select one answer to check your understanding.

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