Question 1 What are the ways in which physical state of matter can be changed ? Question 2 What is boiling ? Question 3 What is condensation? Question 4 What is freezing? Question 5 What do you mean by inter-conversion of matter? Question 6 What is melting or fusion. Question 7 What does higher melting point indicate ? Question 8 How does a solid changes … [Read more...] about Change in state of matter
Matter in our surrounding
States of matter
Question 1 Name three states of matter? Question 2 Differentiate between three states of matter ? Question 3 Give full form of LPG and CNG ? Question 4 Why do gases exert more pressure than liquids ? Question 5 Why gases are highly compressible ? Question 6 Why liquids do not have fixed shape but fixed volume ? Question 7 Why water is a liquid and iron rod is … [Read more...] about States of matter
Characteristics of particle nature of matter
Question 1 What are the characteristics of particle nature of matter ? Question 2 What happens when a crystal of potassium permanganate is mixed with water ? Question 3 Why there is no increase in volume when salt is dissolved in water ? Question 4 How will you show that particles of matter are constantly moving ? Question 5 A piece of chalk can be broken into small … [Read more...] about Characteristics of particle nature of matter
Matter
Question 1 What is matter ? Question 2 Give example of matter ? Matter Anything which occupies space and has mass is called matter. For Ex:Air,water,iron, wood, ice, petrol, rocks etc. Particle nature of matter Matter is made up of particle.The particles which make up matter are so small that we cannot see them even with a high power microscope.Even without … [Read more...] about Matter
Evidences of particle in matter and their motion
Question 1 What happens when crystal of potassium permanganate is dissolved in water ? Question 2 How will you show that matter us made up of particles ? Question 3 How will you show that particles of matter are in motion ? Evidences of particle in matter and their motion Most of the evidences of particles in matter and their motion comes from the experiments on … [Read more...] about Evidences of particle in matter and their motion