1.

E. Explain the similarity and differencein two events, namely adding NaOHto water and adding CaO to water.​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p><strong>NaOH you are only dissolving the material, whereas CaO <a href="https://interviewquestions.tuteehub.com/tag/reacts-1178303" style="font-weight:bold;" target="_blank" title="Click to know more about REACTS">REACTS</a> to make Ca(OH)2 . </strong></p><p></p><p><strong>The calcium <a href="https://interviewquestions.tuteehub.com/tag/hydroxide-493242" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROXIDE">HYDROXIDE</a> has a lower <a href="https://interviewquestions.tuteehub.com/tag/solubility-1217018" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUBILITY">SOLUBILITY</a> in water than NaOH and so will precipitate out. </strong></p><p></p><p><strong>Adding CaO to Water </strong><strong>-</strong><strong> A lot of heat (exothermic reaction) is produced in the reaction, which may even <a href="https://interviewquestions.tuteehub.com/tag/cause-910965" style="font-weight:bold;" target="_blank" title="Click to know more about CAUSE">CAUSE</a> the water to boil.</strong></p><p></p><p><img align="absmiddle" alt="Hopes it help you❤️❤️" class="latex-formula" id="TexFormula1" src="https://tex.z-dn.net/?f=%3Cbody%3E%20%3Cmarquee%3E%20%3Ch2%3E%20%20%3Cfondcolor%20%3D%20%22red%22%3E%20%3Cstrong%3EHopes%3C%2Fstrong%3E%3Cstrong%3E%20%3C%2Fstrong%3E%3Cstrong%3Eit%3C%2Fstrong%3E%3Cstrong%3E%20%3C%2Fstrong%3E%3Cstrong%3Ehelp%3C%2Fstrong%3E%3Cstrong%3E%20%3C%2Fstrong%3E%3Cstrong%3Eyou%E2%9D%A4%EF%B8%8F%3C%2Fstrong%3E%3Cstrong%3E%E2%9D%A4%EF%B8%8F%3C%2Fstrong%3E%20%3C%2Ffont%3E%20%20%3C%2Fh2%3E%20%20%3C%2Fmarquee%3E%20%20%20%3C%2Fbody%3E%20" title="Hopes it help you❤️❤️"/></p></body></html>


Discussion

No Comment Found

Related InterviewSolutions