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Free Online Mock Chemistry Multiple Choice Test on S-block-elements

Sub Category : S-block-elements

Test : 1

Time Left :

1)	The impurites associated with the ore after mining are collectively called (1) flux (2) slag (3) minerals (4) gangue
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2)
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3)	The rocks formed by the solidification of magma over the year are (1) igneous rocks (2) sedimentary rocks (3) metamorphic rocks (4) none of these.
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4)	The process in which metal oxide is reduced to metal by aluminium is called (1) smelting (2) aluminothermy (3) hydrothermy (4) no specific name.
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5)
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