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 – The Periodic Table PAGE NO :132 Solution 1: The present form of periodic table has eighteen vertical columns called ‘groups’. These groups are numbered from 1 to 18. Solution 2: Seven horizontal rows in peri…

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…

Frank ICSE Solutions for Class 9 Chemistry – WaterPAGE NO :96 Solution 1: The molecular formula of water is H2O, this shows that water is not an element but it is a compound made up of two elements hydrogen and oxygen  combined in a fixed ratio, i.e., 1…

Frank ICSE Solutions for Class 9 Chemistry – Physical and chemical changesPAGE NO :74 Solution 1: A physical change is a temporary change in which no new substance is formed and the composition or identity of the substance is not altered although certai…

Frank ICSE Solutions for Class 10 Chemistry – Study Of Acids, Bases and SaltsPAGE NO : 62 Solution 1: Solution 2: (i) Hydrogen chloride HCl (ii) Nitric acid HNO3(i) Carbonic acid H2CO3 (ii) Oxalic acid (COOH)2(i) Sulphuric acid H2SO4 (ii) Hydrogen chlori…

Frank ICSE Solutions for Class 9 Chemistry – The Language of ChemistryPAGE NO :56 Solution 1: Symbol – It is the short form or abbreviation used for the name of an element. It represents one atom of that element. Formula – Formula of a compound represent…

Frank ICSE Solutions for Class 9 Chemistry – Elements, Compounds and MixturesPAGE NO :41 Solution 1:Elements: An element is a pure substance which can neither be broken down into simpler substances nor formed from two or more simpler substances by any kn…

Frank ICSE Solutions for Class 10 Chemistry – Chemical BondingPAGE N0 : 39 Solution 1: Chemical bond: A chemical bond may be defined as the linkage that stands for the force which actually holds the atoms together within the molecule. Chemical bonding: …