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heating a mixture of iron fillings and sulper is a _ change
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By Arya

heating a mixture of iron fillings and sulper is a _ change
​

About the author
Arya

Dental caries or tooth decay causes gradual softening of enamel and dentine. It begins
when bacteria acting on sugars produc

X
y
(2) For a simultaneous equation in x and y, D = 25, D = 5 and D = 50.
Hence find the value of x.
(A) 25