Is there a way to completely separate two buying adrenochrome liquids that are mixed together? Yes. This method is called distillation. We learned in high school that, depending on the boiling point of the substance, heating the mixture vaporizes all of the substance, so that it separates. But this method only works for some mixed liquids, and we also have many other ways to separate them.
17. What is methane gas? It's the main component of natural gas, it's the main component of gas, it's the main component of biogas, it can be burned to produce water and carbon dioxide.
18. The use of gas water heater ventilation will be toxic, causing human poisoning is what? What causes the poisoning is carbon monoxide, which is produced by incomplete burning of carbon and is much better at binding red blood cells than oxygen,
40 chemical safety tips
1. In industrial production, what are the main ways through which toxins enter the human body?
A: It enters the body mainly through the respiratory tract and skin.
2. What are the three types of respirators?
A: Divided into dust, gas, oxygen supply three.
3. What is the scope of application of filter gas mask?
A: Suitable for oxygen volume concentration in the air is greater than 18%, toxic gas concentration is less than 2%.
4. What are the four basic characteristics of accidents?
A:
causality
randomness
latency
preventability
5, when switching high pressure valve should pay attention to what?
A: When switching the high-pressure valve, do not move too fast and too fast, the operator should stand on the side of the valve.
6. How to use the seat belt correctly?
A: It should be high hanging and low use.
7, the reason for the fire of electrical equipment is?
A: Wire short circuit, overload, leakage, poor line contact.
8. What does "four do no harm" mean?
A: Don't hurt yourself, don't hurt others, don't be hurt by others, protect others from being hurt.
9, when the noise exceeds 140 decibels, what is the impact on the human hearing organs?
A: When the noise exceeds 140 decibels, the human body's hearing organs are prone to accidental injury, resulting in rupture of the eardrum and bleeding.
10. How many volts is the safe voltage that should be used when the equipment container is repaired or inspected?
A: A safe voltage of 12 volts must be used.
11. What is the main cause of death by chemical fire?
A: Poisoning and suffocation.
12. What are the "three treasures" of high-altitude work?
A: It refers to hard hats, seat belts and safety nets.
13. What should I do after the chemical gets into my eyes?
A: Use a lot of water to rinse the eyes in time, if the injury is more serious, to promptly sent to the hospital for treatment.
14. What are the direct fire sources that cause fires?
