Increasing chloride densities in North American lakes could begin to upset local ecology and degrade sources of drinking water. Many local governments are looking for alternatives to rock salt. Other salts such as magne...
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Is platinum a metal, nonmetal or metalloid? What crystalline solid is the most malleable? Are nonmetals reactive? Does metallic bonding conduct electricity? Is NaCl a metal or nonmetal? Can chlorine be used as an oxidizing agent? Is barium chloride an amorphous solid?
Is NaCl, an ionic solid, soluble or insoluble in water? Explain. Is the compound FeI2 soluble or insoluble in water? Explain. Is the compound Ni(NO3)2 soluble or insoluble in water? Explain. Is the compound K2CO3 soluble or insoluble in water? Explain. ...
Many local governments are looking for alternatives to rock salt. Other salts such as magnesium chloride and calcium chloride work in the same way as rock salt, and they’re perhaps even more efficient. Some experiments are testing other ice-preventing solutions, including those that contain sugars...
故选A。 (4)题详解: 主旨大意题。根据最后一段“Many local governments are looking for alternatives to rock salt. Other salts such as magnesium chloride and calcium chloride work in the same way as rock salt, and they’re perhaps even more efficient. Some experiments are testing other ice-...
This invention relates to a process for preparing magnesium chloride pellets suitable for fusion electrolysis to produce magnesium metal. Solid particles of magnesium chloride hydrate, such as the dihydrate, are agglomerated with molten magnesium chloride hydrate, such as the tetrahydrate, to form a ...
and cautiously quenched with aqueous sodium hydroxide (1 N,178 mL). The contents were stirred for 3 h, THF was removed under vacuum, the resultingaqueous suspension was cooled to 0 °C, and the product was filtered off. After drying, theproduct was obtained as a white solid: 7.78 g (...
As a solid, the ions join together to form crystals and chemists call these salts. When salts are dissolved in water, the ions in the salt separate and are no longer joined together. They are now properly called ions, not salt. This may seem like silly semantics, but it is important to...
The waste solid, bauxite tailings, is removed and aluminium hydroxide is precipitated from the remaining solution of sodium aluminate. This aluminium hydroxide can be converted to aluminium oxide or alumina by calcination. The residue or bauxite tailings, which is mostly iron oxide, is highly ...