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Anonymous users2024-01-24Too much.
Rice cookers and other electrical appliances convert electrical energy into internal energy and use the thermal effect of electric current;
The range hood is electric energy, which converts electrical energy into mechanical energy, and the principle of using it is that the energized conductor is stressed in a magnetic field.
LPG is stored under pressure, and your answer is D, there is white gas above the broth, and that is not water vaporization, but small water droplets formed by the liquefaction of water vapor when it is cold, and it looks like a piece of white gas.
The kitchen knife, the stir-fry spoon, and the pot handle all embody the principle of physical leverage, and the rice cooker and induction cooker embody the conversion of electricity and heat. >>>More
There is no new substance generation in the juice squeezed by B, so it is a physical change, and there is a new substance generation in apple rotting and kitchen knife rusting, which is a chemical change, so B. is chosen
We carefully observe the whole process of fuel, cooking utensils, cooking and cooking in the kitchen, recall a series of changes that occur in the kitchen, and see the relevant physical phenomena. Using knowledge of physics to explain these phenomena is as follows. >>>More
Water boiling is boiling.
Meat thawing is thawing. >>>More