Which of the following compounds is used in cosmetic surgery?

A Silica
B Silicates
C Silicones
D Zeolites

Verified Solution

Answer & Solution

Correct Answer

(C) Silicones

Step-by-step Solution

Detailed explanation

Silicones are used as sealant, greases,electrical insulators and for water proofing of fabrics. Being biocompatible they are also used in surgical and cosmetic plants.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

Same subject

Match List-\(I\) with List-\(II\).

List-\(I\) (Molecule)	List-\(II\). (Number and types of bond/s between two carbon atoms)
\(A\). ethane	\(I\). one \(\sigma\)-bond and two \(\pi\)-bonds
\(B\). ethene	\(II\). two \(\pi\)-bonds
\(C\). carbon molecule, \(\mathrm{C}_2\)	\(III\). one \(\sigma\)-bond
\(D\). ethyne	\(IV\). one \(\sigma\)-bond and one \(\pi\)-bond

Choose the correct answer from the options given below:

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Column \(-I\)	Column \(-II\)
\((A)\) Family	\((i)\) Diptera
\((B)\) Order	\((ii)\) Arthopoda
\((C)\) Class	\((iii)\) Muscidae
\((D)\) Phylum	\((iv)\) Insecta