MP Board · Class 9 · Science · Is Matter Around Us PureWhat is a pure substance in science? Give two examples of pure substances.
📊Student Analytics & Stats
Total Attempts: 2
Accuracy Rate: 50%
Step-by-Step Solution
In scientific terms, a pure substance refers to a form of matter that consists of only a single type of particle, having a uniform and fixed chemical composition throughout. All constituent particles of a pure substance are identical in their chemical nature. They cannot be separated into other kinds of matter by any physical process. Examples of pure substances include pure water (H2O), sodium chloride (salt), iron, and gold.
💡 Study Guide: This question tests core syllabus concepts from Is Matter Around Us Pure. For formulas, key summaries, and mock exam reference guides, read the full Is Matter Around Us Pure Revision Notes.