Observe the picture given below and answer the following questions: (i) Identify the chemicals A and B used in the given type of fire extinguisher.
(a) A: Aluminium oxide, B: Sodium Hydroxide (b) A: Aluminium sulphate, B: Sodium Hydroxide
(c) A: Aluminium oxide, B: Sodium bicarbonate
(d) A: Aluminium sulphate, B: Sodium bicarbonate
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