Chemistry · Elements and Elements Properties
Match the substance given in column A with their use given in column B. Column A a) Iron b) Copper c) Tungsten d) Boron Column B1) For making electrical wires2) Sewing needle3) As a rocket propellant/ignition fuel component4) Making the filament of a bulb
- 1a - 3, b - 2, c - 4, d - 1
- 2a - 4, b - 3, c - 2, d - 1
- 3a - 2, b - 1, c - 4, d - 3✓
- 4a - 1, b - 4, c - 3, d - 2
Correct answer
a - 2, b - 1, c - 4, d - 3
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