Soda-acid is the salt used in fire extinguishers is-
A. Sodium hydrogen carbonate
B. Calcium oxychloride
C. Sodium hydroxide
D. Sodium carbonate
Answer: Option A
Related Questions on Non Metal and Its Compounds
Red phosphorus is less reactive than yellow phosphorus because
A. it is red in colour
B. it is highly polymerised
C. it is insoluble in C2H5OH
D. it is hard

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