in the ordinary fire extinguisher carbon di oxide is generated by the – McqOptions

MCQOPTIONS

1.	in the ordinary fire extinguisher carbon di oxide is generated by the reaction of
A.	limestone and dilute sulphuric acid
B.	marble powder and dilute hydrochloric acid
C.	sodium bicarbonate and dilute sulphuric acid
D.	magnesite and dilute hydrochloric acid
Answer» D. magnesite and dilute hydrochloric acid

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