SELECT * FROM question_mgmt as q WHERE id=3552 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=254 and ex_no='5' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Metals and Non-Metals metallic oxides of zinc magnesium and copper were

Question:

Metallic oxides of zinc, magnesium and copper were heated with the following metals.

Metal Zinc Magnesium Copper
  Zinc oxide      
  Magnesium oxide      
  Cooper oxide      

In which cases will you find displacement reactions taking place?

Answer:

Metal Zinc Magnesium Copper
  Zinc oxide No reaction
occur		 Displacement No reaction
occur
  Magnesium oxide No reaction
occur		 No reaction
occur		 No reaction
occur
  Cooper oxide Displacement Displacement No reaction
occur


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