Controls & Procedures
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1
Assemble Apparatus
Click here to position Woulfe's bottle, thistle funnel, and delivery tube properly.
2
Add Calcium Carbonate
Add marble chips (CaCO₃) inside Woulfe's bottle.
3
Add Hydrochloric Acid
Pour dilute hydrochloric acid through the thistle funnel to submerge marble chips.
4
Observe Gas Evolution
Observe bubbles rising and carbon dioxide gas (CO₂) filling up the gas jar.
5
Perform Confirmatory Tests
Test CO₂ properties using a burning splint or bubble it into clear limewater.
Reaction Chemical Equation
CaCO₃
+
2HCl
→
CaCl₂
+
H₂O
+
CO₂↑
Calcium Carbonate
Hydrochloric Acid
Carbon Dioxide
Safety Precautions
- Keep Thistle funnel dipped into liquid to avoid gas leakage.
- Handle dilute Hydrochloric Acid with care.
- Wear protective goggles and gloves inside virtual lab.
Virtual Laboratory Table
Ready to Assemble
Live Observation Logger