Chemical
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Extracting iodine from seawater burning off organic matter
How is iodine extracted from seawaterIodine in seawater is mainly enriched in some seaweeds, such as seaweed, etc. these seaweeds are burned to remove organic substances, and the ash is dissolved in w...
Date: 2022-06-23 Chemical -
Hydrocarbon and halogenated hydrocarbon is halogenated hydrocarbon a hydrocarbon substance
Is halogenated hydrocarbon a hydrocarbon substanceHalogenated hydrocarbon as the name suggests: halogenated elements replace hydrocarbons (hydrogen atoms in). Let me give you an exercise; You will; Ex...
Date: 2022-06-23 Chemical -
Classification of organic compounds organic compounds are divided into three categories: 1
What are the sixteen main categories of organic compounds? What are the classification criteriaAccording to the basic skeleton formed by the combination of carbon atoms, organic compounds are divided...
Date: 2022-06-23 Chemical -
How to synthesize gold? gold coins can be dropped by pirate parrots
How to exchange gold coins for gold coins in famine BeachRub gold with gold coins 3:1. The gold coins can be dropped by the Pirate Parrot or exchanged with brother Octopus! Synthetic gold is the lates...
Date: 2022-06-23 Chemical -
Principle of synthetic alcohol how alcohol is made
How is alcohol madeEthylene hydration method: ethylene produced from petroleum cracking is used as raw material. Under the conditions of heating and pressure and catalyst (sulfuric acid or phosphoric...
Date: 2022-06-23 Chemical -
The chemical composition of nicotine? main components of electronic cigarette
What ingredient does nicotine belong to·S at 25 ° C 1.6Mpa · s at 50 ° C surface tension 37.5 dynes/cm at 25.5 ° C 37.0 dynes/cm at 36.0 ° C nicotine is an unpleasant smellWhat are the main comp...
Date: 2022-06-23 Chemical -
Which is more powerful, sulfuric acid or hydrochloric acid? both hydrochloric acid and sulfuric acid are strong acids
Which acid is stronger, sulfuric acid or hydrochloric acidBoth hydrochloric acid and sulfuric acid are strong acids, which are almost completely ionized in the aqueous solution. The strength of acidit...
Date: 2022-06-23 Chemical -
How to extract plant protein?
How to extract protein from plant tissueMethods for protein extraction from plant tissues trichloroacetic acid acetone precipitation method grind leaves in liquid nitrogen, add 3 times the volume of t...
Date: 2022-06-23 Chemical -
Proportion of sulfur, nitric acid and charcoal what is the formula of one sulfur, two nitrates and three carbons
What is the formula of one sulfur, two nitrates and three carbonsThe folk saying "one nitrate, two sulphonates and three charcoal" refers to the mass ratio of the three components of black powde...
Date: 2022-06-23 Chemical -
Nobel Prize winner in chemistry? from 1901 to 2010
Who have won the Nobel Prize in chemistryFrom 1901 to 2010, there were 156 winners of the previous Nobel Prize in chemistry. The first Chinese winner of the Nobel Prize in chemistry was Roger Yongjian...
Date: 2022-06-23 Chemical