The parameters of the unit cell of a substance are \( a=2.5 \), \( b=3.0, c=4.0, \alpha=90^{\cir...

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The parameters of the unit cell of a substance are \( a=2.5 \), \( b=3.0, c=4.0, \alpha=90^{\circ}, \beta=120^{\circ} \) and \( \gamma=90^{\circ} \). The crystal system of the substance is
(a) Monoclinic
(b) Hexagonal
(c) Orthorhombic
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