Frank ICSE Solutions for Class 10 Chemistry – Metals and Non-metalsPAGE NO : 151 Solution 1: Solution 2: Solution 3: Metal which exist in liquid state is mercury. Non-metal which exist in liquid state is bromine. Concept Insight: Metals are usually soli…

Frank ICSE Solutions for Class 10 Chemistry – ElectrolysisPAGE NO : 131 Solution 1: Solution 2: Solution 3: Solution 4: Solution 5: Three appilications of electrolysis are:Electro plating with metalsElectrofining of metalsExtraction of metalsSolution 6…

Frank ICSE Solutions for Class 10 Chemistry – Mole Concept And StoichiometryPAGE NO : 103 Solution 1: Gay-Lussac’s law: It states that ‘when gases react, they do so in volumes which bear a simple ratio to one another, and also to the volume of the gaseou…

Frank ICSE Solutions for Class 9 Maths – Surface Areas and Volume of SolidsEx No: 25.1Solution 1. Solution 2. Solution 3. Solution 4. Solution 5. Volume of a cuboid = l x b x h 2400 = 20 × 15 × h h = 8 cm Hence, height of the cuboid is 8 cm. Solution …

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 Na+.Solution 4:…

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 magnet has the di…

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 the source of …

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 electricity. Solution 3…

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 through vac…

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 hertz. Soluti…