Frank ICSE Class 9 Solutions

Frank ICSE Solutions for Class 9 Chemistry – Practical WorkPAGE NO :170 Solution 1: On heating certain solids they don’t melt and directly get converted to their gaseous form, this process of direct conversion of solids to their gaseous…

Frank ICSE Solutions for Class 9 Chemistry – Atmospheric PollutionPAGE NO :158 Solution 1: Acid rain is the rain that has an excessive amount of acid in it than that of normal. Two air pollutants that cause acid rain are-Oxides of…

Frank ICSE Solutions for Class 9 Physics – Electricity and MagnetismPAGE NO: 323 Solution 1: Positive and negative are the two kind of charges.Solution 2: Net charge on an atom is zero.Solution 3: 10 is the number of electrons present in…

Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: MagnestismPAGE NO: 320 Solution 1: Natural magnet is the deposits of the iron ore which has the attracting property of iron The properties of natural magnet are :The…

Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Current ElectricityPAGE NO: 312 Solution 1: The flow of electrons in a particular direction in a conductor is called an electric current.Solution 2: An electric cell is…

Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Static ElectricityPAGE NO: 300 Solution 1: Electrostatics is defined as the study of charges at rest.Solution 2: Frictional electricity is also known as static…

Frank ICSE Solutions for Class 9 Physics – SoundPAGE NO: 286 Solution 1: Yes, we can hear in the dark room.Solution 2: Sound is produced by the vibrating objects.Solution 3: Yes, sound is a form of energy.Solution 4: No, sound cannot travel…

Frank ICSE Solutions for Class 9 Physics – Sound: Range of HearingPAGE NO: 284 Solution 1: The frequency of sound is defined as the number of vibrations produced by the sound producing object per second.Solution 2: S.I unit of frequency is…

Frank ICSE Solutions for Class 9 Physics – Sound: Production and Propagation of SoundPAGE NO: 278 Solution 1: Yes, Sound is form of energy.Solution 2: Sound is produced by the vibrating objects.Solution 3: No, sound cannot travel through…

Frank ICSE Solutions for Class 9 Biology – Respiratory SystemPAGE NO:176 Solution 1: Respiration: It is a process of release of energy from food substances such as glucose and fats under the control of enzymes, to carry out life processes,…