Question

2. Burning magnesium ribbon is brought in
the gas jar of carbon dioxide. Which of
the following is correct?
(i) It keeps on burning
(ii) It gets extinguished
(iii) Although CO2 is non-supporter of
combustion but burning magnesium
breaks CO2 into carbon and oxygen,
oxygen helps in burning.
(iv) Carbon dioxide is supporter of
combustion.
(a) (i) and (iv)
(b) (i) and (iii)
(c) (i) and (ii)
(d) (iii) and (iv)

Answer 1

Answer:

option b is the correct answer

Answer 2

Burning magnesium ribbon is brought in the gas jar of carbon dioxide. Which of the following is correct?

i.It keeps on burning

ii.It gets extinguished

iii.Although 

CO2CO2

 is non-supporter of combustion burning magnesium breaks 

CO2CO2

 into carbon and oxygen helps in burning

iv.Carbon dioxide is the supporter of combustion

A.(i) and (iv)

B.(i) and (iii)

C.(i) and (ii)

D.(iii) and (iv)