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प्रश्न
Which of the following ore is concentrated by the Froth floatation process?
विकल्प
ZnCO3
ZnO
ZnS
Na2S
MCQ
उत्तर
ZnS
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Which of the following ore is concentrated by the Froth floatation process?
ZnCO3
ZnO
ZnS
Na2S
ZnS