WHICH_OF_THE_FOLLOWING_ADDITIVES_ARE_ADDED_TO_THE_SAND_IN_CO2_MOULDING – McqOptions

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1.	WHICH_OF_THE_FOLLOWING_ADDITIVES_ARE_ADDED_TO_THE_SAND_IN_CO₂_MOULDING_FOR_THE_IMPROVEMENT_IN_COLLAPSIBILITY_OF_THE_SAND??$
A.	Copper oxide
B.	Wood flour
C.	Aluminium oxide
D.	Oil
Answer» D. Oil

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