Practical knowledge plays a vital role in the learning process. Practicals are conducted to engage students, helping them to develop essential skills and understand scientific concepts.
When it comes to grades, marks scored in the practical exam are added to the marks obtained in theory paper, which can help students earn some extra percentage or grades in aggregate.
ICSE Class 9 students should take the Chemistry practical exam earnestly. They must aim to get full marks in this section so that they can improve their overall percentage. Students must read all the theories and concepts before appearing in the practical examination. They should practice the diagrams which are required for practical experiments. The ICSE Class 9 Chemistry experiments are given here to help students score significantly better in the exam.
ICSE Class 9 Chemistry Practical Syllabus
Students of ICSE Class 9 should be thorough with the Chemistry practical syllabus to score good marks in their practical exam of Chemistry. A total of 20 marks is assigned for Internal Assessment of practical work. Students need to conduct 5 experiments which are mentioned below:
List of Experiments for ICSE Class 9 Chemistry Practicals
Candidates will be asked to observe the effect of reagents and/or of heat on substances supplied to them. The exercises will be simple and may include the recognition and identification of certain gases listed below.
Gases: Hydrogen, Oxygen, Carbon dioxide, Chlorine, Hydrogen chloride, Sulphur dioxide, Hydrogen sulphide, Ammonia, Water vapour, Nitrogen dioxide. Candidates are expected to have completed the following minimum practical work. Simple experiments on
1. Action of heat on the following compounds: (a) copper carbonate, zinc carbonate (b) washing soda, copper sulphate crystals (c) zinc nitrate, copper nitrate, lead nitrate (d) ammonium chloride, iodine, ammonium dichromate. Make observations, identify the products and make deductions where possible.
2. Action of dilute sulphuric acid on the following substances. (warm if necessary) (a) a metal (b) a carbonate (c) a sulphide (d) a sulphite. Make observations, identify the gas evolved and make deductions.
3. Apply the flame test to identify the metal in the unknown substance. (a) a sodium salt (b) a potassium salt (c) a calcium compound.
4. Simple experiments based on hard water and soft water – identification of hardness – simple softening – by heating the temporary hard water, using washing soda and advantage of using detergents over soap in hard water.
5. Find out the sources of pollution of water bodies in the locality. Suggest preventive steps to control it.
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