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 Biology – Seeds: Structure and GerminationPAGE NO: 78Solution 1: (a) Seed is defined as a fertilized mature ovule which possesses an inactive embryo and reserve food for its further development. (b) The process by which t…

Frank ICSE Solutions for Class 9 Biology – Pollination and FertilizationPAGE NO: 72Solution 1: Pollination is the transfer of pollen grains from the anther to the stigma of the same or another flower. The male gametes are produced inside pollen grains l…

Frank ICSE Solutions for Class 9 Biology – FlowersPAGE NO: 64Solution 1: A flower is the reproductive unit in angiosperms. It is a modified shoot in which internodes are shortened and leaves are modified into floral structure. Flower is meant for sexual …

Frank ICSE Solutions for Class 9 Physics – Motion in One DimensionPAGE NO: 61 Solution 1: A body is said to be in state of rest if it does not change its position with respect to its surrounding objects with time.Solution 2: A vector quantity is that phy…

Frank ICSE Solutions for Class 9 Biology – Biotechnology ApplicationsPAGE NO: 53Solution 1: Biotechnology is the study and use of techniques using living organisms or their products for the benefit of human race. It is the controlled use of biological a…

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…