question_answer 2)

From the boxes given below choose the one with the correct order of the following sentences. (i) That is fire. (ii) A chemical reaction takes place. (iii) Energy is the form of heat and light is released. (iv) Oxygen combines with carbon and hydrogen.  

i	ii	iii	iv
iv	iii	ii	i

                           

ii	iii	i	iv
iv	ii	iii	i

          

Answer:

 

iv

ii

iii

i