Frank ICSE Solutions for Class 10 Chemistry – Study of Compounds-I: Hydrogen ChloridePAGE NO : 185 Solution 1: PAGE NO : 186 Solution 2: Solution 3: Solution 4: Solution 5: Solution 6: Solution 7: Solution 8: PAGE NO : 187 Solution 9: Solution 10: …

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 form is called as…

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 nitrogenOxides of sulph…

Frank ICSE Solutions for Class 10 Chemistry – MetallurgyPAGE NO : 152 Solution 9: Solution 10: Solution 11: Solution 12: Aqueous solution of sodium chloride is not used for electrolytic reduction of sodium metal because sodium metal formed at cathode a…

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 10 Chemistry – Analytical ChemistryPAGE NO : 75 Solution 1:Cuprous salts = ColourlessCupric salts = BlueAluminium salts = ColourlessFerrous salts= Light greenFerric salts = YellowCalcium salts = ColourlessSolution 2: Solut…

Frank ICSE Solutions for Class 9 Chemistry – Study of the First Element – HydrogenPAGE NO :146 Solution 1:(a) Symbol of hydrogen is ‘H’ and its molecular formula is H2.(b) 2 H means 2 atoms of hydrogen while H2 means one molecule of hydrogen.(c) Lavoisi…

Frank ICSE Solutions for Class 9 Chemistry – Atomic StructurePAGE NO :113 Solution 1: Solution 2: Solution 3:(a) Mass of an atom – Protons and neutrons(b) Size of an atom – ElectronsSolution 4: Three fundamental particles of an atom are-ProtonElectronN…