To answer the question "How did the name 'hydrogen' originate?", we can break it down into the following steps: Step 1: Historical ContextIn 1783, a prominent scientist named Antoine Lavoisier played a significant role in naming hydrogen. Hint: Think about the time period and the contribution...
Chlorine gas burns the throats of its victims and causes death by asphyxiation, much like smoke kills people during a house fire. The Germans used mustard gas for the first time during war in 1917. They outfitted artillery shells and grenades with mustard gas that they fired in ...
Filter your tap water to remove lead, chloroform and the taste of chlorine. You’ll save money over buying bottled water, and help reduce the energy used to produce, ship and dispose of plastic water bottles and jugs. Consider a water-filtering pitcher or a faucet mounted filter that screws...
Whatever his thought process, Mendeleev ultimately arranged the elements according to both atomic weight and valence electrons. Not only did he leave space for elements not yet discovered, but he predicted the properties of five of these elements and their compounds. In March 1869, he presented th...
Dampen your hair with bottled spring water before getting into a chlorine pool (it will help dilute the chlorine) Condition regularly Don't brush hair when wet -- use a wide-toothed comb Blot your hair dry -- don't wrap it or roughly dry it with a towel Avoid overdrying -- blow dry...
When cyanuric acid levels get too high, it can hinder the effectiveness of your chlorine. If your chlorine test shows very little or no chlorine right after you’ve added it to the pool, your CYA may be too high. The only way to reduce CYA levels is to dilute your water by draining ...
Ideally you can use a dechlorinator to filter the chlorine out of the water you fill your pond with since chlorine can kill beneficial bacteria. It’s a good idea to take a close look at your rock pond walls as the water fills around them to make sure they’re not settling or moving...
If you use chlorine or chemical-laden water, it will prevent the bad bacteria from forming as well as the good bacteria and will cause the beets to rot. Filtered spring water is best. If you use tap water, make sure you eliminate the chemicals by boiling or by leaving the water out ...
2. From the text, we know that like chlorine, iodine or bromine are all (). -->B. chemicals 3. Outer walls are built ( ) . -->A. to prevent pests from entering a building from outside. 4. Why is it necessary for supervisors to make a list of pest control measures? -->C. ...
What is name of the test for testing iodine in food? Is sodium bicarbonate the same as salt? What is the oxidation number of iodine? What is the compound for salt? Sodium and chlorine respond together to generate a substance that is familiar to nearly everybody in the globe that is sodiu...