CBSE · Class 9 · ScienceChapter 2NCERT

CBSE Sample Paper for Class 9 Science — Is Matter Around Us Pure?

Mixtures, solutions, separation techniques and colloids.

Free AI-powered sample paper for NCERT Science, Class 9, Chapter 2.

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Indian context — what this NCERT chapter centres on

Class 9 Science Chapter 2 (Is Matter Around Us Pure?) is taught through these India-specific anchors in the NCERT textbook. The sample paper above is pre-loaded with these so the output reflects the way the chapter is actually taught in Indian classrooms.

The process of separating components of a mixture using methods like filtration and evaporation, commonly used in Indian households for purifying water.
Examples of colloids found in Indian cuisine, such as milk (an emulsion) and various spices suspended in oil.
The significance of mixtures in traditional Indian medicine, such as Ayurveda, where herbal mixtures are used for treatments.
Local examples of solutions, such as sugar dissolved in water to make sweet beverages like 'nimbu pani' or 'chaas'.

Key terms — Class 9 Science (Is Matter Around Us Pure?)

MIXTURESOLUTIONCOLLOIDSEPARATION TECHNIQUESHOMOGENEOUSHETEROGENEOUS

Teaching tips for Is Matter Around Us Pure?

1Conduct a practical demonstration of separating a mixture using a sieve, showcasing local materials like sand and gravel.
2Encourage students to bring examples of mixtures from their homes, such as food items, and discuss their properties in class.
3Use local examples of colloids in everyday life, like the preparation of 'lassi' or 'paneer', to explain the concept more relatable.
4Incorporate stories or case studies of Indian scientists who contributed to the field of chemistry, such as C.V. Raman's work on colloidal solutions.

Board exam relevance

Questions from this chapter typically include MCQs, short answer questions about definitions and properties of mixtures and solutions, and 5-mark long answer questions requiring explanations of separation techniques.