- Disinfection supplies
- Air Purifier Series
- Personal Care Appliances
- Health Appliances
Is it OK for Linster's household water purifier to be used with the whole house water purifier, and does the household water purifier need to install the front filter? Hello, yes! In fact, the whole house water purifier includes household, household and filter, pure water machine, pre-filter water machine and water machine!It's best to install the front filter!
Who can summarize the knowledge points of junior high school chemistry? 5 5. pure matter: it consists of a substance in the first unit and enters the chemical world. 1. chemistry is the basic science for studying the composition, structure, nature and change law of matter.2. China's working people's Shang Dynasty will make bronze ware,During the Spring and Autumn period, ironmaking and steelmaking will occur.Green chemistry-----Environmental friendly chemistry (chemical reactions conform to green chemical reactions) ① four features P6 (raw materials, conditions, zero emissions, products) ② core: eliminate pollution from the source by using chemical principles 4. candle burning experiment (no product name appears when describing the phenomenon) (1) flame: Flame, inner flame (brightest), outer flame (highest temperature) (2) compare the temperature of each flame layer: Put a matchstick into the flame.Phenomenon: carbon at both ends first;Conclusion: the flame temperature is the highest (3) the test produc