AP EAMCET202125 Aug 2021Evening ShiftChemistryp Block Elements (Group 13 & 14)Actual
Match the following and choose the correct code. array llll & Material & & Application (A) & Silicones & (i) & As a catalyst & & (ii) & Greases (B) & Zeolites & (iii) & In surgical implants & & (iv) & As ion exchangers array
Options
- Aarray cccc A & A & B & B (ii) & (iii) & (i) & (iv) array
- Barray cccc A & A & B & B (i) & (iii) & (ii) & (iv) array
- Carray cccc A & A & B & B (ii) & (iv) & (i) & (iii) array
- Darray cccc A & A & B & B (i) & (iv) & (ii) & (iii) array
Correct answer
A. array cccc A & A & B & B (ii) & (iii) & (i) & (iv) array
Step-by-step solution
Greases i.e. lubricant are generally prepared from silicones. Silicone greases are generally thickened with silica. It is silicone oil based with inert filters silicones is a polymer that includes silicon in its monomeric molecule. Silicon implants are inert and resist tissue in growth instead they become surrounded by a fibrous capsule. Zeolites are extremely useful as a catalyst for several important reactions involving organic molecule. e.g. ZSM-5. Ion exchanger is used extensively in small water system. Zeolite