Match the substances given in Column A with their uses given in Column B.
Column A
A. Gold
B. Iron
C. Mercury
D. Copper
Column B
I. Thermometer
II. Electric wires
III. Machinery
IV. Jewellery
Choose the correct answer from the options given below.

Solution

Gold is used to make jewellery (IV) and iron to make machinery (III). Mercury is used in thermometers (I), and copper is used for electric wires because it conducts electricity well (II). This is option d.

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Match the substances given in Column A with their uses given in Column B.Column AA. GoldB. IronC. MercuryD. CopperColumn BI. ThermometerII. Electric wiresIII. MachineryIV. JewelleryChoose the correct answer from the options given below.