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Why can jewelry keep shiny just by putting a small piece of chalk in the jewelry box?
There is a big gap in the chalk, so it should absorb water! That will reduce the possibility of rust spots! The principle is the same as activated carbon!

Secondly, break the chalk we prepared into pieces and put it in the jewelry box. Chalk As long as you put a small piece of chalk in the jewelry box (you can change it into a similar moistureproof agent for fear of dirt), you can keep the jewelry shiny, because the surface of the jewelry is easy to oxidize and blacken. Chalk contains lime, which plays a role in dehumidification and drying.

After a while, you will find that jewelry will be very shiny. The color is the same as that we just bought, so we won't worry about the dull jewelry. Chalk can absorb moisture in the air, so that jewelry will not react with moisture in the air. So you can understand that lime can be used to prevent moisture. Chalk is just lime. It can absorb water and neutralize acidic substances, and of course it can also prevent acidic substances from corroding the wax on the surface of jewelry.

Usually, you should pay attention to some things. When swimming, you should take off the gold ornaments to avoid chemical changes on the surface after contact with seawater or pool water, which will make the jewelry lose its luster and color.

Pure gold jewelry will react chemically when it meets mercury, and white spots will appear. When cleaning, as long as you barbecue under the alcohol lamp for a while, you can restore the original color. There is a big gap in the chalk, so it should absorb water! That will reduce the possibility of rust spots! The principle is the same as activated carbon! Any red or purple cotton fabric, if washed with vinegar and water, can make its luster as new. 32. Eating an apple on an empty stomach in the morning and evening is beneficial to the treatment of constipation in middle-aged and elderly people. 33 ..... When cooking old beef, you can put a layer of mustard powder on the beef pieces and wash them before cooking the next day. The meat is rotten and tender.

The most important thing is to keep dry. If there is water, it is easy to oxidize. The surface of jewelry will turn black without chalk, and so will the use of other desiccants. ... chalk should be kept in the box for a long time.

Chalk should be paragraph by paragraph.