concentrated alkali造句

• Lead also dissolves in concentrated alkalis thanks to its ability to form anions plumbites in solution and the general solubility of said anions.
• Electrolysis of bismuth ( III ) oxide in hot concentrated alkali solution gives a scarlet red precipitate of bismuth ( V ) oxide.
• Since copper ( II ) hydroxide is mildly amphoteric, it dissolves slightly in concentrated alkali, forming [ Cu ( OH ) 4 ] 2 ".
• It is a red-brown, thermally unstable solid that decomposes at 160 癈 . The hydrated form is weakly acidic and dissolves in concentrated alkali to form salts that are believed to contain the Au ( OH ) 4 & minus; ion.
• Energetic particles colliding with the polymer structure leave a trail of broken chemical bonds within the CR-39 . When immersed in a concentrated alkali solution ( typically Sodium Hydroxide ) hydroxide ions attack and break the polymer structure, etching away the bulk of the plastic at a nominally fixed rate.