Module : 1 Chapter : Is Matter Around Us Pure. Contents : 1. What is a mixture? 2. Types of mixture – homogenous and heterogeneous mixtures. 3. What is a solution? Properties of solution. Learning Objectives After the Completion of the topic the students will be able to understand 1. Definitions of mixtures, solution. 2. Types of mixtures, differences between homogenous and heterogeneous mixtures. 3. Examples of solutions Practical No. To separate the components of a mixture of sand, common salt and ammonium chloride (or camphor) by sublimation. Module : 2 Chapter : Is Matter Around Us Pure Contents : 1. Concentration of a solution. (i) Calculation of mass by mass percentage of a solution. (ii) Calculation of mass by volume percentage of a solution. 2. Definition of suspension. Properties of a suspension. 3. What is a colloidal solution? 4. Properties of a colloid. 5. Common examples of colloids. 6. Separation of coloured components from blue-black ink (evaporation). 7. Separation of cream from milk (centrifugation). Learning Objectives After the Completion of the content the students will be able to understand. 1. To identify colloids and suspension. 2. Examples of colloids and suspension used in day to day life. 3. Separation techniques : Evaporation, centrifugation. Practical No. To Prepare : 1. A true solution of common salt, sugar and alum. 2. A suspension of Soil, chalk powder and fine sand in H2O. 3. A colloidal of starch in water. And to distinguish between these on the basis of :- 1. Transparency 2. Filtration Criterion 3. Stability. Module : 3 Chapter : Is Matter Around Us Pure Contents : 1. Separation of mixtures of two immiscible liquids (using separating funnel). 2. Separation of mixtures of salt and Ammonium chloride (sublimation). 3. Separation of dyes in black ink using chromatography. 4. Separation of mixtures of two miscible liquids (Distillation). 5. Fractional distillation. Learning Objectives Study of following separation techniques and their applications 1. Using separating funnel. 2. Sublimation. 3. Chromatography. 4. Distillation. 5. Fractional Distillation. Practical : To carry out the following reactions and classify them as physical and chemical changes. (i) Iron with copper Sulphate solution in water. (ii) Burning of magnesium in air. (iii) Zinc with dilute Sulphuric Acid. (iv) Heating of copper sulphate. (v) Sodium Sulphate with Barium chloride in the form of their solution in water. Module : 4 Chapter : Is Matter Around Us Pure. Contents : 1. Process to obtain different gases from air Fractional distillation. 2. Process to obtain pure copper sulphate from an impure sample-crystallisation. 3. Applications of crystallization. 4. Physical and chemical changes. 5. Type of pure substance – elements and compounds. 6. Differences between elements and compound. Learning Objectives After the Completion of the above module the students will be able to understand. 1. Method of crystallization and its applications. 2. Examples of physical and chemical changes. 3. Differences between elements and compounds. Practical : To Prepare (i) a mixture (ii) a compound using Iron fillings and sulphur powder and to distinguish between them on the basis of :- (i) Appearance. (ii) Behaviour towards a magnet. (iii) Behaviour towards carbon disulphide as a solvent. (iv) Effect of heat. Kick your study by clicking
CCE :IX Chapter: Is matter around us pure : MCQ’S Read and Download CCE :IX Chapter: Is matter around us pure : MCQ’S Read and Download CCE :IX Chapter: Is matter around us pure : MCQ’S Read and Download Fill in the blanks: IX: Is matter around us pure Read and Download Test yourself: IX :Is matter around us pure :MCQ’S Read and Download
2 Comments
19/8/2012 09:39:00 am
I often think of my past and use it as a means to analyze where I am and where I want to get to. Where I struggel is balancing it all out. How do you guys balance things out?
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jsunil
4/7/2014 05:05:31 pm
Questions: A gas jar containing air is placed upside down on gas jar of bromine vapour. it is observed that after some time, the gas jar containing air also becomes completely reddish brown.
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