WELCOME IN THE WORLD OF UNDERSTANDING

  To Download pdf of assertion and reason  CLICK HERE

  Heat - Heat is the form of energy which sensation of hotness and coldness Temperature- Temperature is the measurement of average energy of molecular motion in a substance.   Heat transfer- The Energy is flow from higher Temperature body to lower temperature body. Unit of Heat- SI unit of Heat is Joule Calorie- It is a traditional unit of Heat. One Calorie is defined as the amount of heat required to raise the temperature if 1 g if water by 1 Degree Celsius.   Note- 1 Joule= 0.24 Calorie Effect of Heat 1. Change in temperature 2. Change in state of matter   Evaporation The change of a substance from the liquid state to its gaseous state by absorbing heat from the surrounding at any temperature below its boiling point is called evaporation. Factor affecting Evaporation   1. Surface area 2. Temperature of surrounding 3. Temperature of the substance 4. Nature of liquid 5. Wind Speed 6. Humidity     Boiling- The proce...

 Reaction of Chemical reaction and Equation  CLICK HERE

To download pdf of  Chemical reaction and equation class 10 Full notes  CLICK HERE

 To download a pdf of the unit and measurement, Class 11, please  CLICK HERE

To Download Ncert Exampler of Class 9 and 10 Chapterwise  CLICK HERE   To Dwonload Laboratory Manual-Science-Class IX and X, NCERT Publication  CLICK HERE   To Dwonload Assessment of Practical Skills in Science-Class X - CBSE Publication  CLICK HERE

 To download Pdf of Magnetic effect of electric current Please  CLICK HERE