Cucino la pasta con acido cloridrico e soda caustica
Cucino la pasta con acido cloridrico e soda caustica is a medium Italian recipe that serves 4. 2000 calories per serving. Recipe by Geopop on YouTube.
Prep: 20 min | Cook: 17 min | Total: 47 min
Cost: $48.85 total, $12.21 per serving
Ingredients
- 200 ml Hydrochloric Acid (1 M) (concentrated 1 molar solution, handle with care)
- 8 g Sodium Hydroxide Pellets (food‑grade NaOH, dissolve in water)
- 800 ml Distilled Water (use distilled or deionized to avoid impurities)
- 500 g Dry Pasta (spaghetti) (any shape works, spaghetti preferred)
- 30 ml Olive Oil (optional for serving)
- 30 g Grated Parmesan Cheese (optional topping)
- 1 piece pH Indicator Paper (to test neutrality of the solution)
Instructions
Safety First
Put on safety goggles and chemical‑resistant gloves. Work in a well‑ventilated area and keep a neutralizing agent (e.g., baking soda solution) nearby.
Time: PT5M
Measure Hydrochloric Acid
Using a graduated cylinder, measure 200 ml of 1 M hydrochloric acid and pour it into a 500 ml beaker.
Time: PT3M
Dissolve Sodium Hydroxide
Add 200 ml of distilled water to a second beaker, then slowly add 8 g of NaOH pellets while stirring. The solution will become hot—let it cool for a minute.
Time: PT5M
Neutralize the Solutions
Very slowly pour the acid into the NaOH solution while stirring. Use pH indicator paper to check the pH; aim for a green colour (pH ≈ 7‑8). If the solution is still acidic, add a tiny amount of NaOH solution; if basic, add a few drops of acid.
Time: PT5M
Adjust Final Volume
Add an additional 600‑700 ml of distilled water to bring the total volume to about 1.1 L (approximately 10 g of salt per litre). Stir well.
Time: PT2M
Bring to a Boil
Transfer the neutralized salt‑water solution to a large pot and place it on the stove. Heat over medium‑high until a rolling boil is reached.
Time: PT5M
Temperature: 100°C
Cook the Pasta
Add the 500 g of dry pasta to the boiling water. Stir immediately to prevent sticking and cook for 8‑10 minutes, or until al dente.
Time: PT10M
Temperature: 100°C
Drain and Finish
Drain the pasta in a colander. Toss with a drizzle of olive oil and grated Parmesan cheese, if desired.
Time: PT2M
Cleanup and Disposal
Allow any remaining chemical solution to cool, then neutralize with excess baking soda before disposing of it according to local regulations. Wash all glassware, utensils, and protective gear.
Time: PT10M
Nutrition Facts
- Calories
- 2000
- Protein
- 15 g per serving
- Carbohydrates
- 90 g per serving
- Fat
- 5 g per serving
- Fiber
- 3 g per serving
Dietary info: Vegetarian, Contains gluten
Allergens: Wheat, Dairy
Ingredient Substitutions
- Instead of Sodium Hydroxide Pellets: Potassium hydroxide (KOH) – not recommended
- Instead of Distilled Water: Tap water (may affect pH)
- Instead of Dry Pasta (spaghetti): Other pasta shapes
- Instead of Olive Oil: Butter, Vegetable oil
- Instead of Grated Parmesan Cheese: Nutritional yeast (vegan alternative)
Equipment Needed
- Graduated Cylinder (100 ml)
- Beaker (500 ml)
- Stirring Rod
- Safety Goggles
- Chemical‑Resistant Gloves
- Kitchen Pot (large)
- Stove
- Colander
- Kitchen Scale
- Thermometer (optional)
- pH Test Strips (optional)
Critical Steps — Do Not Skip
- Wear safety goggles and gloves before handling any chemicals.
- Dissolve NaOH in water slowly; the reaction is exothermic.
- Add acid to the base gradually while stirring and monitor pH.
- Ensure the final solution is neutral (pH ≈ 7‑8) before cooking.
- Boil the neutralized solution before adding pasta.
Chef Tips from the Video
- Add a pinch of extra sea salt to enhance flavor if the water seemed bland.
- Rinse the drained pasta briefly with cool water if you plan to serve it later; this stops the cooking process.
- Finish with fresh chopped parsley or basil for a bright contrast.
Troubleshooting
Solution remains acidic after mixing.
Add a few millilitres of the NaOH solution, stir, and re‑test pH until the colour turns green.
Solution remains basic after mixing.
Add a few drops of the HCl solution, stir, and re‑test pH until neutral.
Pasta is undercooked.
Continue boiling for another 1‑2 minutes, testing for al dente texture.
Pasta sticks together.
Stir frequently during the first few minutes and add a splash of olive oil to the boiling water.
Storage
Refrigerator: Store leftover pasta in an airtight container for up to 3 days.
Freezer: Freeze in portioned bags for up to 2 months.
Room temperature: Do not store at room temperature for more than 2 hours; moisture will cause spoilage.
Make-Ahead Tips
- Prepare the neutralized salt‑water solution a few hours ahead and keep it sealed in a glass container.
- Pre‑cook the pasta al dente, cool, and reheat with a little oil when serving.
- Label all chemical containers clearly with contents and hazard symbols.
Frequently Asked Questions
What is the cultural significance and history of cooking pasta with neutralized acid and base in Italian cuisine?
Italian cuisine traditionally values simple, natural ingredients. This experiment highlights that the origin of salt—whether mined, sea‑derived, or synthetically produced—does not change its basic role in cooking, reinforcing the Italian principle that quality and quantity matter more than provenance.
What are the traditional regional variations of pasta dishes in Italy that could be paired with this neutralized salt‑water preparation?
In the north, butter‑based sauces like alfredo are common; central Italy favors tomato‑based ragù; the south often uses olive oil, garlic, and chili. Any of these sauces can be tossed with the pasta cooked in the neutralized solution.
How is pasta traditionally served in Italy after cooking in salted water?
Pasta is typically drained, tossed quickly with a drizzle of olive oil or butter, and combined with the chosen sauce. It is served hot, often topped with grated cheese and fresh herbs, allowing the sauce to cling to the al dente noodles.
On what occasions or celebrations is pasta commonly featured in Italian culture?
Pasta appears at everyday family meals, Sunday lunches, and festive occasions such as weddings, holidays, and regional festivals. Simple dishes like spaghetti aglio e olio are staples for quick gatherings, while elaborate baked pastas are served at celebrations.
What makes this pasta cooked with hydrochloric acid and sodium hydroxide unique in the context of Italian culinary tradition?
The uniqueness lies in demonstrating the chemistry behind ordinary salt water. While Italians have long used salt to season pasta, this experiment shows that even dangerous chemicals can be transformed into safe, edible ingredients through neutralization, echoing the scientific curiosity behind traditional cooking.
What are the most common mistakes to avoid when making the neutralized salt‑water solution for cooking pasta?
Common errors include adding acid to base too quickly, which can cause splattering, not checking the pH before cooking, and using an incorrect ratio of acid to base, leading to a solution that remains acidic or basic. Always add acid slowly, stir continuously, and verify a neutral pH.
Why does this recipe use a 1 M hydrochloric acid solution instead of a weaker acid like vinegar?
Hydrochloric acid provides a clear, measurable concentration that allows precise stoichiometric calculations for complete neutralization with sodium hydroxide. Vinegar’s acetic acid concentration varies, making it difficult to achieve the exact 1:1 molar ratio needed for a predictable reaction.
Can I make the neutralized salt‑water solution ahead of time and how should I store it?
Yes, you can prepare the neutralized solution up to 24 hours in advance. Store it in a sealed, clearly labeled glass container in the refrigerator. Before using, re‑check the pH to ensure it remains neutral.
What does the YouTube channel Geopop specialize in?
The YouTube channel Geopop specializes in science‑based experiments, educational videos, and quirky demonstrations that blend chemistry with everyday life, often using humor and real‑world applications to engage viewers.
How does the YouTube channel Geopop's approach to chemistry cooking differ from other cooking channels?
Geopop focuses on the underlying chemical principles and safety aspects, turning ordinary cooking tasks into laboratory‑style experiments. Unlike typical cooking channels that emphasize flavor alone, Geopop explains reactions, stoichiometry, and the societal message behind the food.
Last updated: August 15, 2026
