What little things do you know about life?

When I was a child, in the winter, the family would dig a cellar to store radishes and cabbage, and the cellar was usually very deep and large, and the whole person had to go down. But every time before going down, you have to light a candle first, and then slowly lower the candle, if the candle is extinguished, then you can't go down to the cellar immediately to get radish and cabbage, otherwise the human body will suffocate because of too much carbon dioxide in the cellar. The candle goes out precisely because carbon dioxide extinguishes the fire.

This is the knowledge of chemistry that has been used in life.

Share a little knowledge of life: washing rice water. Many people will pour out the rice water when washing rice, in fact, the rice washing water is rich in a lot of nutrients, which can be used to water the flowers. The adhesion ability of rice washing water is also very strong, and it is used to wash vegetables and fruits, which can remove some pesticide residues.

After eating something spicy, I feel that I can't stand it, so quickly put a little salt in my mouth, spit it out after a while, and then rinse my mouth, it will not be spicy. **For small burns or burns, you can apply a little toothpaste to the injured area, which can relieve pain and reduce inflammation. If there is a label for the purchased thing, you can use a hot air blower to blow the label, and when the glue of the label is hot, it is easy to tear off the label without leaving traces.

Clothes should not be exposed to the sun as much as possible, should be dried in a cool and ventilated place until semi-dry, and then put to dry in weak sunlight to protect the color and wear life of the clothes. Jeans will fade over time. This annoys many people, you can soak the newly bought jeans in concentrated salt water for 12 hours, and then wash them with water, so that they will not fade when you wash them in the future.

With vinegar you can get out the scale in the thermos. Soap to wash grease stains. If there is a small area of ** injury, burn and scald, apply a little toothpaste, which can immediately stop bleeding and pain, and can also prevent infection, and the effect is quite good.

Use vinegar to remove limescale from the thermos. Smearing mosquito bites with soap can relieve itching.

Later, I told her that if the oil temperature is too high when stir-frying, a polycyclic compound will be generated, and vegetable oil contains more unsaturated fatty acids, and the unsaturated state changes after heating, and it is easier to generate some polycyclic aromatic hydrocarbons, such as benzopyrene, which can indirectly cause cancer. Therefore, the oil temperature should not be too high when stir-frying.

When earrings, rings and other jewelry wear for a long time will oxidize and blacken, the color is not as bright as before, the current use of cleaning method is the use of ultrasonic cleaner, the previous method is to use aqua regia to soak it, wash off the oxide layer. Aqua regia is a highly corrosive mixture of hydrochloric acid and nitric acid in a 3:1 volume ratio.

When you go out, carry a small dry battery in your bag, if your skirt has static electricity, rub the positive pole of the battery on the top of the skirt a few times to remove static electricity. Are you still afraid of the dry weather in spring and autumn?

In daily life, it is normal for the pot to use its own nonsense, this time can be solved with vinegar, there is water in the pot, add a certain amount of vinegar, boil it in a bubble, it will be easy to wash it, make the pot shiny, the dirt in the kettle can also use the same method, vinegar also has the effect of sterilization.

When you are angry, you know that you are angry, and now outside of yourself, you can feel the changes in your emotions, and then slowly release your anger. so as not to affect others, nor to affect oneself.

In life, you can marinate those fish in salt, and when you cook it, it will taste even better.

When frying shredded meat, it is easy to stick to the pan, you can put a little salt in the oil first, and then fry the meat so that it is not easy to stick to the pan.

Be sure to replace your toothbrush in time because there are a lot of bacteria on it, and it is best to change it every three months.

In daily cleaning, baking soda can be used to clean, and the cleaning effect is good and efficient.

I know that if you get burned, apply some sesame oil, and when you serve rice, take a spoonful and set it aside.

<> "Little Knowledge in Life.

1. From the perspective of the entire history of the earth, there are 115 billion human beings who have ever lived, including the existing 7 billion people.

2. Each point in the above figure is to infiltrate 10 million Cong Kaichang people, 100 million people are born every year, now there are 7 billion people, 57 million people die every year, and it is estimated that about 108 billion people have lived and died on the earth.

3. If there is no water on the earth, it is ...... like this(kind of like a potato) 4. Did you know? The Pacific Ocean is actually bigger than you think!

5. The deep and early appeal of the Mariana Trench, it is no wonder that there are so many underwater creatures that have not yet been explored by humans.

6. We all know that there are many artificial satellites, but we didn't expect there to be so many! The distance from the Earth to the Moon is about 10,000 kilometers, which is very short in the scene of the entire universe, but it is already possible to stuff all the planets of the solar system!

<> "Do you know common life knowledge?

Steamed rice with a little raw oil.

When steaming the rice, add a few drops of raw oil to the pan and stir the steamed rice one by one and non-stick to the pan.

<> "Do you know common life knowledge?

Peel the garlic skillfully. Before peeling the garlic, soak the whole garlic in water, and it will be much easier to peel it.

Cook dumplings without sticking to the pan.

When boiling dumplings, add enough water, add a small amount of salt after the water is opened, and then put down the dumplings after stirring well, which can increase the toughness of gluten, the dumplings will not stick to the skin and the pot, and the soup is fragrant.