Chop vegetables before washing or wash them before cutting?

The juice of green and yellow vegetables contains valuable nutrients such as vitamins and minerals. Many of them dissolve easily in water. When vegetables are chopped and cleaned, many nutrients will be lost, and pollutants will pollute the buttons, which is difficult to clean. So wash the vegetables before cutting them.

Does this pass? scanty

The sour taste in vinegar is reflected by acetic acid.

The refrigerator stores food to cool down and slow down the reaction speed.

Natural gas is composed of methane, which is a clean and efficient fuel.

Salt is sodium chloride, ionic crystal.

The bowl is made of ceramic and silicate materials.

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