Home
Class 11
CHEMISTRY
Correct statements among a to d regardin...

Correct statements among a to d regarding silicones are :
(a) They are polymers with hydrophobic character.
(b) They are biocompatible.
( c ) In general, they have high thermal stability and low dielectric strenght.
(d) Usually, they are resistant to oxidation and used as greases.

A

(A), (B) and (C) only

B

(A) and (B) only

C

(A), (B) and (D) only

D

(A), (B), (C) and (D)

Text Solution

Verified by Experts

The correct Answer is:
C

Silicones have high dielectric strength.
Promotional Banner

Similar Questions

Explore conceptually related problems

Consider the following statements A and B and identify the correct answer (1) : Germanium is preferred over silicon in the construction of zener diode. (2) : Germanium has high thermal stability than silicon in the construction of Zener diode.

Which of the following statement is / are correct with regard to Deuterostomes ? (a) The blastopore develops into anus in adult. (b) The balstopore develop into mouth in adult. ( c) Cleavage is radial and indeterminate (d) Cleavage is spiral and determinate .

Refer to the given figure and select the correct statement regarding B, C, D.

Correct statement for Bakelite is : (a) It is formed by phenol and foraldehyde (b) It is crosslinked polymer (c ) It is thermoseting plastic (d) It is natural polymer

The INCORRECT statement (s) about heavy water is (are ) (A) used as a moderator in nuclear reactor (B) obtained as a by-product in fertilizer industry (C ) used for the study of reaction mechanism (D ) has a higher dielectric constant than water Choose the correct answer from the options given below :

Which one of the following statements is correct about allotropes of an element? -A) They have the same chemical reactivity B) They have the same electrical conductivity C) They have the same heat of combustion D) All the above statements are incorrect

Number of the following statements is/are correct? (A) Greater the stability constant of a complex ion, greater is its stability (B) Greater the oxidation state of the central metal ion, greater is the stability of the complex (C ) CO stabilises complex becuase of its synergic Bonding. (D) Chelate complexes have low stability constants

(A) Some others, like the European nations, have a low birth rate and a low death rate. (B) Many others have a high birth rate with a low death rat. (C ) Different countries show different patterns of growth. (D)Some have high birth rate and still have a high death rate. (E) Compared to this is Europe the growth rate is low. (F) The developing countries show the most rapid growth rate. Which will the FIFTH sentence in the Para ?

Which is not the characteristic of hydrophobic sols? a. They are highly susceptible to coagulation by addition of electrolytes. b. They have nearly the same surface tension and viscosity as that of dispersion medium. c. Their stability is due to both electric charge and salvation of the particles. d. Sol particles can be seen under ultramicroscope.