Which pair best explains why LiI is more soluble than LiF even though both are lithium halides A B. Higher
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Chapter 22: Main Group Elements and Their Chemistry (Set-4)
Which product forms when Na₂O₂ reacts with excess water, making solution strongly basic A Na₂CO₃ only B NaCl + H₂
Continue readingChapter 22: Main Group Elements and Their Chemistry (Set-3)
Which factor mainly explains why Li⁺ salts often show greater covalent character than other alkali metal salts A B. Low
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Which Group 1 metal is stored under kerosene mainly because it reacts quickly with air and moisture A Lithium metal
Continue readingChapter 22: Main Group Elements and Their Chemistry (Set-1)
Which factor mainly makes alkali metals highly reactive compared to many other metals A A. High ionization energy B B.
Continue readingChapter 21: Polymer Chemistry (Set-5)
In step-growth polymerization, a very high degree of polymerization is mainly achieved when A Conversion is near 1 B Conversion
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A polymer made by reacting a diacid with a diol mainly forms A Polyamide chains B Polyester chains C Addition
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Which polymer category mainly contains repeating glucose units joined by glycosidic bonds A PVC plastic B Nylon fibre C Cellulose
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Which class of polymer is usually made from living organisms A B. Synthetic polymers B C. Thermosets only C A.
Continue readingChapter 21: Polymer Chemistry (Set-1)
A polymer is best described as a substance made of A Only metal atoms B Only ionic salts C Only
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