MCQ
Current in a circuit flows :
- ✓In direction from high potential to low potential.
- BIn direction from low potential to high potential.
- CIn direction of flow of electrons.
- DIn any direction.
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| Column $(A)$ | Column $(B)$ | ||
| $A.$ | Bleaching powder | $1.$ | Preparation of glass |
| $B.$ | Baking soda | $2.$ | Production of $\mathrm{H}_2$ and $\mathrm{Cl}_2$ |
| $C.$ | Washing soda | $3.$ | Decolourisation |
| $D.$ | Sodium chloride | $4.$ | Antacid |