Question

cement bridge verses bamboo bridge

Answer 1

Explanation:

)

 

A metallic oxide contains 60% of the metal.The equivalent weight of the metal is

(a)12(c)40(b)24(d)48(a)12(b)24(c)40(d)48

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A)

 

Eq.wt=Wt of metalWt of oxygen combinedWt of metalWt of oxygen combined×8×8

⇒6040⇒6040×8=12×8=12

Hence (a) is the correct option.

Answer 2

Answer:

cement bright is stronger than bamboo bridge

cement is man mad resource and bamboo is natural resource