Assertion $(A)$: Silicones are used for water proofing of fabrics.
Reason $(R)$: The repeating unit in silicones is $R_2SiO$.
Reason $(R)$: The repeating unit in silicones is $R_2SiO$.
- A$(A)$ and $(R)$ are correct, but $(R)$ is not the correct explanation of $(A)$
- B$(A)$ and $(R)$ are correct, $(R)$ is the correct explanation of $(A)$
- C$(A)$ is not correct but $(R)$ is correct
- D$(A)$ is correct but $(R)$ is not correct
Explore More
Similar Questions
Match the following:
| List-$I$ | List-$II$ |
| :--- | :--- |
| $A$. Carbon black | $I$. Electrodes in batteries |
| $B$. Graphite | $II$. Extraction of metals |
| $C$. Diamond | $III$. Abrasive |
| $D$. Activated charcoal | $IV$. Filler in automobile tyres |
| | $V$. Air conditioning system |
| List-$I$ | List-$II$ |
| :--- | :--- |
| $A$. Carbon black | $I$. Electrodes in batteries |
| $B$. Graphite | $II$. Extraction of metals |
| $C$. Diamond | $III$. Abrasive |
| $D$. Activated charcoal | $IV$. Filler in automobile tyres |
| | $V$. Air conditioning system |
$A$ major constituent of Portland cement,except lime,is:
Easy
View SolutionCarbon can form $p\pi-p\pi$ bond with which kind of elements?
Easy
View SolutionWhich of the following compounds is formed when chlorine gas reacts with dry slaked lime $Ca(OH)_2$?
The treatment of zinc with very dilute nitric acid produces
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo