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Anonymous users2024-01-24A. The main component of scale is calcium carbonate, and kitchen cleaning detergent is an alkaline substance, and the two will not react, so A is wrong;
B. Salt and vinegar will not undergo chemical reaction, and do not meet the conditions for metathesis reaction, so B is wrong;
C. The water absorption and air permeability of synthetic fibers are poor, so C is wrong;
D, with a pot lid or add greens, can isolate oxygen, so as to extinguish the fire, so D to choose D
A. The mixture of flammable gas and air or oxygen may explode in case of open flame, static electricity, electric spark or heating, and electric sparks will be generated when the exhaust fan is opened, so it is wrong >>>More
A. Kitchen cleaner (detergent) is alkaline, calcium carbonate is insoluble in water, and cannot react with alkali to become soluble and removed, so it is wrong >>>More
A. One water is used for multiple purposes, which can save water resources, correct >>>More
Search: There are chemicals everywhere in life, and the following is correct ( ). >>>More
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