Laboratory Manual Science Class 9th Term-1 & 2 [Experiments|Viva-Voce] (English, Paperback, Arihant Experts)

The Central Board of Secondary Education (CBSE) conducts practical examination for Class IX students. This laboratory manual has been designed to help Class IX students prepare for Experiments and Viva Voce for Science. The present book for CBSE Class IX Science Experiments and Viva Voce has been divided into two parts namely Term I and Term II covering the syllabi of Term I and Term II. The Term I section covers to test the presence of starch in given food sample, Preparation of true solution of common salt, sugar and alum, to prepare a mixture, a compound using iron fillings and sulphur power, to prepare a temporary mount of onion peel for study of its cells, to identify different types of plant tissues from permanent slides, draw their labeled diagram and write their identifying features, to separate the components of a mixture of sand, common salt and ammonium chloride by sublimation, to determine the melting point of ice and boiling point of water, etc whereas the Term II section covers To verify the laws of reflection of sound, To determine the density of solid by using a spring balance and a measuring cylinder, to establish the relation between the loss in weight of a solid when fully immersed in tap water, To determine the velocity of a pulse propagated through a stretched string/ slinky, to verify the law of conservation of mass in a chemical reaction, to study the life cycle of a mosquito, etc. The book cum Laboratory Manual also contains Coloured Diagrams along with general introduction of laboratory work and commonly used apparatus. Also lab instructions and safety procedures have been provided in the book. As the book cum laboratory manual covers all the experiments and viva voce, it for sure will help Class IX students prepare their best for CBSE Class IX Science Practical Examination.