Question

Zinc granules were added to zinc sulphate, copper sulphate, aluminium sulphate and iron sulphate
solutions as shown below. A student would observe the deposition of metal on zinc in beakers :
1



(A) I and Ill (B) 1 and IV
(C) 11 and Ill (13) 11 and IV

Answer 1

copper sulphate and iron sulphate

Answer 2

Answer:  II and IV is the answer

Explanation:

Since zinc is more reactive than copper and iron, it displaces them from their solution to produce zinc sulphate, which then causes the free metal to settle on the rod.

zinc

The chemical element zinc (Zn), one of the most extensively used metals and a member of the periodic table Group 12 (IIb, or the zinc group), is necessary for life.

Existence, applications, and properties

• The Earth's crust contains 65 grams (2.3 ounces) of zinc on average for every ton, which is somewhat higher than copper.
• Nearly all of the world's zinc ore comprises sulphide sphalerite (zinc blende), the main zinc mineral, and its oxidation products smithsonite and hemimorphite.
• There have been reports of native zinc deposits in Australia, New Zealand, and the United States. China, Australia, and Peru are the top zinc producers in the early twenty-first century.
• See native element for information on the mineralogy of zinc.

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