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Which one of the following chemicals is used in soda-acid fire-extinguishers ?
- (a)Sodium carbonate
- (b)Sodium hydrogen carbonate
- (c)Sodium hydroxide
- (d)Sodium acetate
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(B)/ Sodium Hydrogen Carbonate (1 Mark)
CBSE Class 10 Science PYQ · Acids, Bases and Salts · Baking soda · 1 Mark · March 2026 · Standard
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