MCQChemistry

NCERT · Class 11 · Chemistry · Some Basic Concepts of ChemistryHow many significant figures are present in $0.0025$?

Step-by-Step Solution

Zeros preceding the first non-zero digit are not significant. Therefore, in $0.0025$, only '2' and '5' are significant digits, making the number of significant figures 2.

Detailed Options Breakdown
Option : 2 (Correct Answer)

Correct choice. Refer to the step-by-step verified solution guidelines above for details.

Option 1: 3

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Some Basic Concepts of Chemistry.

Option 2: 4

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Some Basic Concepts of Chemistry.

Option 3: 5

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Some Basic Concepts of Chemistry.

💡 Study Guide: This question tests core syllabus concepts from Some Basic Concepts of Chemistry. For formulas, key summaries, and mock exam reference guides, read the full Some Basic Concepts of Chemistry Revision Notes.
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