MCQ
The chemical symbol for sodium is:
- A$So$
- B$Sd$
- ✓$NA$
- D$Na$
Name "sodium" has been derived from Latin - natrium.
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A student draws a distance-time graph for a moving scooter and finds that a section of the graph is a horizontal line parallel to the time axis. Which of the following conclusion is correct about this section of the graph?
