One question per day; those who answer correctly receive 6 wealth points, while participants get 2 wealth points as a reward； January 3rd
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True or False: In the acetylene purifying tower using the calcium carbide method, the main function of the packing rings is to increase the area and duration of gas-liquid contact. ( ) Answer: Correct
The main function of the packing rings in the purification tower for acetylene produced by the calcium carbide method is to increase the gas-liquid contact area and contact time. ( √ )