.Read the following description and draw a flowchart representing the process described.
Washing soap can be made at house using the following process. Four liters of water should first be poured into a plastic bucket. Caustic soda weighing 1 kg should be added to it. The water should then be stirred with a wooden stick till caustic soda is completely dissolved in it. Then the bucket should be covered and allowed to stand so that the solution should come down to room temperature. In another vessel 1 kg of maida, 2 kg of groundnut oil, 400 gms of washing soda and 100 gms of brightener like Ranipal should be mixed. Then the second solution should be poured into the bucket containing the first solution. The contents of the bucket should be stirred for 10 to 15 minutes. A tray measuring 40cm by 30 cm by 4 cm should be taken and a polythene sheet should be spread on it. The mixture solidifies. Then soaps can now be cut into cakes of convenient sizes.
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Flowchart representing preparation of washing soap.
Explanation:
Step - 1
- Pour four liters of water into a plastic bucket.
- Add Caustic soda weighing 1 kg.
- Stir the solution with a wooden stick until the caustic soda completely dissolves in water.
- Cover the bucket and keep in room temperature.
Step - 2
- Take another vessel and add 1 kg maida, 2 kg groundnut oil, 400 grams washing soda and 100 grams of brightener.
Step - 3
- Pour the mixture of the second vessel into the first bucket.
- Stir it for 10 - 15 minutes.
- Take a tray measuring 40 cm by 30 cm by 4 cm and spread a polythene sheet on it.
- Allow the mixture to solidify.
- Thus, the soap is formed which can be cut into cakes of various sizes.
In this way, we can prepare a washing soap.
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