Advertisements
Advertisements
Nylon 6, 6 is a condensation polymer of hexamethylenediamine and _____________
Concept: Introduction to Polymers >> Some Important Polymers
Nylon 6, 6 is a condensation polymer of hexamethylenediamine and _____________
Concept: Introduction to Polymers >> Some Important Polymers
Write a chemical reaction for the preparation of the following polymer.
polyacrylonitrile
Concept: Introduction to Polymers >> Some Important Polymers
Write a chemical reaction for the preparation of the following polymer.
polyacrylonitrile
Concept: Introduction to Polymers >> Some Important Polymers
Write preparation of low density polythene.
Concept: Introduction to Polymers >> Some Important Polymers
Write preparation of low density polythene.
Concept: Introduction to Polymers >> Some Important Polymers
Write the preparation of nylon 6, 6.
Concept: Classification of Polymers
Write any three advantages of nanoparticles and nanotechnology.
Concept: Nanoparticles and Nanotechnology
Explain any two chemical methods of food preservation.
Concept: Chemicals in Food - Artificial Sweetening Agents and Food Preservatives
Explain cationic detergents.
Concept: Cleansing Agents - Soaps
Explain the mechanism of cleansing action of soaps.
Concept: Cleansing Agents - Soaps
How soap is prepared?
Concept: Cleansing Agents - Soaps
Iron (z=26) is highly ferromagnetic. Explain.
Concept: Properties of Solids: Magnetic Properties
Silver crystallises in FCC structure. If density of silver is 10.51 gcm-3, calculate the volume of unit cell. [Atomic mass of slive (Ag) = 108 gm-1]
Concept: Calculations Involving Unit Cell Dimensions
p - type semi-conductors are made by mixing silicon with impurities of ______.
Concept: Properties of Solids: Electrical Properties >> Applications of n-type and p-type Semiconductors
Explain impurity defect in stainless steel with diagram
Concept: Imperfections in Solids - Introduction
Niobium crystallises as body centred cube (BCC) and has density of 8.55 Kg / dm-3 . Calculate the attomic radius of niobium.
(Given : Atomic mass of niobium = 93).
Concept: Calculations Involving Unit Cell Dimensions
In a semiconductor, acceptor impurity is.................................
- antimony
- indium
- phosphorous
- arsenic
Concept: Properties of Solids: Electrical Properties >> Applications of n-type and p-type Semiconductors
The relation a ≠ b ≠ c and α ≠ β ≠ γ represents which crystal system?
(A) Orthorhombic
(B) Tetragonal
(C) Triclinic
(D) Monoclinic
Concept: Amorphous and Crystalline Solids
