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arnav from the gurukul, Panchkula

Subject :NSO Class : Class 8

Which of the following reactions takes place in soda-acid type fire extinguisher?

A CaCO₃ CaO+CO₂
B 2NaHCO₃ Na₂CO₃+H₂O+CO₂
C 2NaHCO₃+H₂SO₄ Na₂SO₄+2H₂+2CO₂
D CaCO₃+H₂SO₄ CaSO₄+H₂O+CO₂

View All Answers (4)

Ans 1:

Eshaan Chakraborty from The Amaatra Academy, Bengaluru

Class : Class 8

Ans 2:

Neh singla from Delhi public school, Chandigarh

Class : Class 5

yes

Ans 3:

Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida

Class : Class 10

it should be h2o instead of h2

Ans 4:

Jaidev Chowdhary from Shamrock International School, VIJAYAWADA