Alloy used for making balance beams and light instruments consist of:

A l, N i, C o, F e

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C u, Z n

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A l, M g

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C u, Z n, N i

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Solution

The correct option is C $A l, M g$
Magnalium consisting $A l$ and $M g$ . It is harder than aluminium. So, used for making balance beams and light instruments. It can be worked on lathes.

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Similar questions

Why Cu, Al are used over tungsten, Fe Ni to make fuses?

γ

A l, C u, F e, M g

Z n

E_{A l^{3} + / A l}^{0} + - 1.66 V, E_{C u^{2} + / C u}^{0} = + 0.34 V

E_{F e^{2} + / F e}^{0} = - 0.44 V, E_{M g^{2} + / M g}^{0} = - 1.40 V

E_{Z n^{2} + / Z n}^{0} = - 0.76 V

(a) N i, C u, Z n

(b) H^{+}, H, H^{-}

(c) C r, V, T i, S c

(d) I^{+}, I, I^{-}

(e) C u, A g, A u

(f) B, B e, A l, M g

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