NCERT · Class 7 · Science · Physical and Chemical ChangesWhen carbon dioxide is passed through lime water, the water turns milky due to the formation of:
Step-by-Step Solution
When carbon dioxide is passed through lime water, it reacts to form calcium carbonate, which makes the lime water turn milky.
Detailed Options Breakdown
Option : Calcium oxide
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Physical and Chemical Changes.
Option 1: Calcium carbonate (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Calcium hydroxide
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Physical and Chemical Changes.
Option 3: Calcium bicarbonate
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Physical and Chemical Changes.
💡 Study Guide: This question tests core syllabus concepts from Physical and Chemical Changes. For formulas, key summaries, and mock exam reference guides, read the full Physical and Chemical Changes Revision Notes.