Art Materials And Techniques

Step 1: Match each term in List-I with its correct example or chemical basis in List-II.

(A) Plaster of Paris is made from heating (IV) Gypsum (calcium sulfate dihydrate).
(D) An Alloy is a mixture of metals. (II) Bronze (copper and tin) is a classic example of an alloy.
(B) A Non-ferrous metal is one that does not contain iron. With Bronze identified as the alloy, (III) Gold is the best example of a non-ferrous elemental metal.
(C) Cement is a binder, and its primary chemical constituents are silicates and aluminates of calcium, i.e., (I) Calcium aluminum silicate.

Step 2: Assemble the correct pairings. The correct matches are (A)-(IV), (B)-(III), (C)-(I), (D)-(II). This matches option (3).