mention the salts causing temporary and permaneat hardness
Yes. I tried it with isopropanol. No gas evolved, but there formed on the bottom a clear thick condensate (which I have yet to identify). The liquid remained clear as well.
Paris and England at the same time.Boron was first isolated by Sir Humphry Davy, Joseph Louis Gay-Lussac, and Louis Jacques Thénard, each of whom was working independently, in 1808. It was incompletely refined and was not recognized as an element. It remained for the Swedish chemist Jöns Jakob Berzelius to actually identify boron as an element, which he did in 1824.Read more: Who_discovered_boronnobody knows
Boron was discovered by Joseph-Louis Gay-Lussac and Louis-Jaques Thénard, French chemists, and independently by Sir Humphry Davy, an English chemist, in 1808. They all isolated boron by combining boric acid (H3BO3) with potassium. It was incompletely refined and was not recognized as an element. It remained for the Swedish chemist Jöns Jakob Berzelius to actually identify boron as an element, which he did in 1824.
After the fire was put out, only ashes remained of the old building.
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Magma moves, it erupts out of volcanoes, and this can cause substances of different density to mix together. If these substances remained liquid, they would eventually settle out into layers by density, but if the rock hardens before this happens, then you have permanent mixing.
Thailand remained free.
Remained can be both! In the sentence The boy remained sleepy throughout the play, remained is a linking verb. because it connects the subject, the boy to the adj sleepy.
remained is past tense.
why did leonor rivera remained silent?
i remained calm after my brother hit me
The people remained in the United States.
The past participle of "remain" is "remained."
The past tense of "remain" is "remained."
During World War I, Switzerland, Spain, and the Scandinavian nations remained totally neutral.
England and Portugal remained undefeated by Napoleon.