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Is 
a homopolymer or copolymer? Give reason.
Concept: Types of Polymerisation Reactions - Copolymerisation
Write the monomers of the following polymer :
Concept: Introduction to Polymers >> Some Important Polymers
What use of drugs is used in sleeping pills?
Concept: Classification of Drugs
What is meant by the term ‘broad spectrum antibiotics’? Explain.
Concept: Therapeutic Action of Different Classes of Drugs - Antimicrobials
Explain the following term with a suitable example:
Cationic detergents
Concept: Cleansing Agents - Synthetic Detergents
Explain the following terms with suitable examples - Anionic detergents
Concept: Cleansing Agents - Synthetic Detergents
Explain any two chemical methods of food preservation.
Concept: Chemicals in Food - Artificial Sweetening Agents and Food Preservatives
Define disinfectants with a Suitable example?
Concept: Cleansing Agents - Synthetic Detergents
Define the following term with a suitable example:
Cationic detergents
Concept: Cleansing Agents - Synthetic Detergents
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
The major binding force in diamond is_______________ .
(a) Covalent bond
(b) Ionic bond
(c) Metallic bond
(d) Co-ordinate covalent bond
Concept: Classification of Crystalline Solids
What is the covalency of nitrogen in N2O5?
Concept: Classification of Crystalline Solids
8 g of glucose, C6H12O6 (Molar Mass = 180 g mol−1) is dissolved in 1 kg of water in a sauce pan. At what temperature will this solution boil?
(Kb for water = 0.52 K kg mol−1, boiling point of pure water = 373.15 K)
Concept: Colligative Properties and Determination of Molar Mass >> Elevation of Boiling Point
What type of semiconductor is obtained when silicon is doped with boron?
Concept: Properties of Solids: Electrical Properties >> Applications of n-type and p-type Semiconductors
What type of magnetism is shown in the following alignment of magnetic moments?
Concept: Properties of Solids: Magnetic Properties
What type of point defect is produced when AgCl is doped with CdCl2?
Concept: Imperfections in Solids - Introduction
Determine the osmotic pressure of a solution prepared by dissolving 2.5 × 10−2 g of K2SO4 in 2L of water at 25°C, assuming that it is completely dissociated.
(R = 0.0821 L atm K−1 mol−1, Molar mass of K2SO4 = 174 g mol−1)
Concept: Colligative Properties and Determination of Molar Mass >> Osmosis and Osmotic Pressure
Give an example each of a molecular solid and an ionic solid.
Concept: Classification of Crystalline Solids
Gas (A) is more soluble in water than Gas (B) at the same temperature. Which one of the two gases will have the higher value of KH (Henry’s constant) and why
Concept: Solubility >> Solubility of a Gas in a Liquid
