Q.
If we write a result as $11.2\, mL$ then match the items of Column I with Column II and choose the correct option from the codes given below.
Column I (Indication of uncertainty)
Column II (Number associated with uncertainty)
A
Certain digit is
1
2
B
The uncertain digit is
2
$\pm 1$
C
The uncertainty in the last digit would be
3
11
| Column I (Indication of uncertainty) | Column II (Number associated with uncertainty) | ||
|---|---|---|---|
| A | Certain digit is | 1 | 2 |
| B | The uncertain digit is | 2 | $\pm 1$ |
| C | The uncertainty in the last digit would be | 3 | 11 |
Some Basic Concepts of Chemistry
Solution: