Chemistry – Important Question Bank for Kerala Board (+2) HSE (HSC) Board Exam 2019

HSC Board Exams are fast approaching and students are getting anxious about how to prepare for their HSC Board Exams. So we had mentioned some HSC Study Tips to help students in Cracking HSC Exams. After the tremendous success of our […]

Chemistry – Important Question Bank for Kerala Board (+2) HSE (HSC) Board Exam 2018

HSC Board Exams are fast approaching and students are getting anxious about how to prepare for their HSC Board Exams. So we had mentioned some HSC Study Tips to help students in Cracking HSC Exams. After the tremendous success of our […]

Chemistry – Important Question Bank for Kerala Board (+2) HSE (HSC) Board Exam 2017

HSC Board Exams are fast approaching and students are getting anxious about how to prepare for their HSC Board Exams. So we had mentioned some HSC Study Tips to help students in Cracking HSC Exams. After the tremendous success of our […]

Distinguish between crystalline solids and amorphous solids. Give examples.

Distinguish between crystalline solids and amorphous solids Property Crystalline solids Amorphous solids 1. Shape They have definite characteristic geometrical shape due to the orderly regular long range arrangement of constituent particles. They have irregular shape and lack characteristic geometrical shape […]

What is a unit cell? Explain Bravais lattices.

unit cell i. A unit cell is the smallest repeating structural unit of a crystalline solid. A crystalline solid can be obtained by repeating the unit cells (of the same crystalline substance) in space in all directions. ii. The lines […]

Write a note on: Diamond , Graphite & Fullerene

Diamond: a. Diamond is an allotrope of carbon. It is used in jewellery and is the most precious crystal.  b. Covalent bonds between sp3 hybridized carbon atoms continue in all directions to form a giant network.  c. Diamond is very […]

Name the different types of crystalline solids on the basis of different forces present in them. Explain the following terms. 

Answer:  Depending upon the nature of intermolecular forces present in the constituent particles, crystalline solids are classified into the following four classes: i. Molecular solids ii. Ionic solids iii. Metallic solids iv. Covalent solids Explanation: Molecular solids: a. Molecular solids […]