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Is potassium nitrate poisonous?
Common sense of life Common sense of life refers to the scientific knowledge summarized by people in their daily lives, covering health, nutrition, diet, home, life tips and other aspects.

[ Edit this paragraph] 2. Useful tips for life

1. If you eat spicy food, you will feel that it will be spicy to death. Just put a little salt in your mouth, contain it, and rinse your mouth, so it will not be spicy;

2. Yellow teeth, you can chew peanuts and put them in your mouth, and brush your teeth for three minutes, which is very effective;

3. If there is a small area of skin injury or burn or scald, apply a little toothpaste to stop bleeding and relieve pain immediately;

4. Ugly tea stains are often left in cups filled with tea. Wash them with toothpaste, which is very clean.

5. Open your mouth slightly when you look up and order eye drops, so that your eyes won't blink;

6. If there is an ulcer in the mouth, apply vitamin C to the ulcer, and the ulcer will basically recover after it dissolves;

7. There is little dust in your eyes. Close your eyes and cough hard a few times, and the dust will come out by itself.

8. After washing your face, gently massage your fingers with some fine salt on both sides of your nose, and then rinse with clear water, so that blackheads and acne will be removed and pores will become smaller;

9. Just after being bitten by mosquitoes, it won't itch if you apply soap.

1. If your throat and gums are inflamed, cut the watermelon into small pieces at night and eat it with salt. Remember that it must be at night, and the symptoms will be relieved at that time, and it will be fine the next day;

11. The hair dryer blows at the label, and when the glue of the label is hot, the label can be easily torn off;

12. If you are afraid of wrinkles when you travel with clothes, you can roll up every piece of clothes.

13. Drink vinegar when you burp, which will get immediate results;

14. Eat something with a bad smell, such as garlic and stinky tofu. Just eat a few peanuts.

15. To treat cough, especially dry cough, before going to bed at night, fry eggs with pure sesame oil, put a little more oil, and don't put any seasonings. Go to bed while it is hot, and even eat for a few days, the effect is obvious;

16. MM with long and thick wrists can't wear a thin bracelet, so they should put a plastic bag on their hands and wear the bracelet, which is very easy to wear and won't hurt their hands. It's the same way to take it off;

17. It is difficult to peel chestnuts. Peel off the shell first, then turn it in the microwave oven, take it out and rub it while it is hot, and the skin will fall off.

18. When arranging flowers, drop a drop of detergent into the water, which can last for several days;

19. Put the walnut in the pot and steam it for ten minutes, then take it out and put it in cold water and break it open, and you can take out the complete peach kernel;

2. Put the shrimps in a bowl, add some refined salt and edible alkali powder, rub them with your hands for a while, then soak them in clear water, and then rinse them with clear water, which will make the fried shrimps transparent as crystal, refreshing and delicious.

21. When frying meat, first soak the meat in baking soda water for more than ten minutes, pour off the water, and then taste it. The fried meat will be tender and smooth.

22. Soak the residual tea leaves in water for several days, and then pour them on the roots of plants, which can promote the growth of plants;

23. The residual tea leaves can be dried in the sun and smoked in toilets or ditches, which can eliminate malodor and have the function of repelling mosquitoes and flies;

24. Re-cooking method of raw rice: you can use chopsticks to pierce some holes in the rice that go straight to the bottom of the pot and sprinkle a little yellow wine for re-stewing.

25. If only the surface is raw, just turn the surface to the middle before stewing;

26. Skillfully remove the greasy screen window: put the cigarette butts left over from washing clothes and smoking together in the water, and use them to clean the glass window and screen window after being dissolved, and the effect is really good;

27. As long as you put a small piece of chalk in the jewelry box, you can keep the jewelry shiny.

28. Self-adhesive marks on the surface of tables and bottles can be wiped with wind oil essence;

29. When you go out, always carry a small dry battery in your bag. If the skirt is charged with static electricity, just wipe the positive electrode of the battery on the skirt several times to remove the static electricity.

3. No matter where the shoes rub your feet, you should apply a little white wine to the places where the shoes rub your feet, so as not to rub your feet.

31. When preparing vegetables, if you have to blanch them, you'd better make the best use of the water for blanching them. Such as cooking dumplings, boiled water can be put in the meat stuffing in moderation, which not only ensures nutrition, but also makes the dumpling stuffing delicious and soup;

32. In summer, feet are prone to sweating, and soaking feet with light salt water every day can effectively deal with sweaty feet;

33. basking in the sun after swimming in summer can prevent diseases such as skin strain;

34. In summer, pillows are easy to get wet and breed mold, so it is good for your health to expose the pillow core frequently.

35. Eat more barley and adzuki bean porridge to damp and strengthen the spleen, which can prevent heatstroke and dampness;

36. prevention of insomnia: talk less before going to bed, avoid drinking strong tea, don't use your brain before going to bed, and wash your feet with hot water and vinegar;

37. Honeysuckle has the effect of dispersing rheumatism, and it can relieve summer heat by decocting honeysuckle in water and cooling the juice and mixing it with honey;

38. Drinking tea after eating too fatty food can stimulate autonomic nerves and promote fat metabolism;

39. Lack of sleep will make you stupid, and you need to sleep for eight hours a day. Having a nap habit can delay aging;

4. Hands are easy to become dry and rough. Soak your hands in vinegar for ten minutes to protect your skin.

41. In summer, wiping the mat with clear water dripping with toilet water can keep the mat fresh and clean. Of course, it is best to wipe along the grain of the mat so that the toilet water can penetrate into the grain gap of the mat, so that the cool and comfortable feeling will last longer;

42. Eating more acidic vegetables and fruits such as tomatoes and citric acid for breakfast is beneficial to nourishing the liver;

43. When refreshing, relieving itching, washing your hair or taking a bath, adding five or six drops of toilet water can play a very good role in cooling, sterilizing, removing malnutrition and relieving itching;

44. Grapes contain sleep-assisting hormones, and regular eating helps sleep;

45. Drinking tomato soup in summer can not only get nutrients, but also replenish water. Tomato soup should be cooked and cooled before drinking. The lycopene contained in it has certain anti-prostate cancer and myocardial protection effects, which is most suitable for men. Eating acidic substances and brushing your teeth immediately will damage your teeth health;

46. When the flesh is broken due to trauma, toothpaste is applied to the wound to diminish inflammation, stop bleeding and then bandage it. As a temporary first-aid medicine, medicinal toothpaste is the most effective.

47. Spraying white vinegar on the cutting board, leaving it for half an hour before washing, can not only sterilize, but also deodorize;

48. Drinking yogurt can relieve dysphoria after drinking. Yogurt can protect gastric mucosa, delay alcohol absorption, and is rich in calcium, which is especially effective for relieving dysphoria after drinking.

49. When the leather shoes are moldy for a long time, you can wipe them with a soft cloth dipped in alcohol and water (1: 1).

5. When you have a headache or dizziness, you can apply toothpaste to your temples, because toothpaste contains menthol and clove oil to relieve pain.

51. After the candle is frozen for 24 hours, it will be inserted into the birthday cake, and the candle oil will not flow when it is lit;

52. White clothes and trousers are easy to yellow after washing. You can take a basin of clear water and drop two or three drops of blue ink. Soak the washed clothes and trousers for a quarter of an hour, and put them in the sun without wringing them out, so they can be white and clean.

53. Excessive consumption of raw onion and garlic will stimulate the oral cavity and stomach, which is harmful to health. It is best to add a little vinegar before eating.

54. Replenish water in time, but drink less juice, cola, sprite, soda and other drinks, which contain more saccharin and electrolyte. Drinking too much will cause bad stimulation to the stomach and affect digestion and appetite. Therefore, you should drink more boiled water or light salt (sugar) water in summer;

55. Rub your face with tofu for a few minutes every morning for a month, and your face will become very moist;

56. The indoor temperature difference of air conditioner should not exceed 5℃, even if the weather is hot again, the indoor temperature of air conditioner should not be below 24℃;

57. It takes a long time to decompose the detergent with enzyme in warm water to make the washing effect better;

58. In summer, people spend more time in activities, sweat more and consume too much energy, so they should eat more nutritious foods such as chicken, duck, lean meat, fish and eggs to meet their metabolic needs.

59. When you have a headache, grind the apple into mud and apply it on gauze, and stick it on the headache to relieve the symptoms;

6. There are stains on the leather bag, so cotton can be used.