Match List – I with List – II:
| List – I | List – II |
| :--- | :--- |
| (a) Be | (i) Treatment of cancer |
| (b) Mg | (ii) Extraction of metals |
| (c) Ca | (iii) Incendiary bombs and signals |
| (d) Ra | (iv) Windows of X-ray tubes |
| | (v) Bearings for motor engines. |

Choose the most appropriate answer from the option given below:

Option 1 - (a)-(iii), (b)-(iv), (c)-(v), (d)-(ii)

Option 2 - (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)

Option 3 - (a)-(iii), (b)-(iv), (c)-(ii), (d)-(v)

Option 4 - (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)

2 Views|Posted 5 months ago

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Raj Pandey | Contributor-Level 9

5 months ago

Correct Option - 4

Detailed Solution:

Be is used in X ray tube windows.
Mg is used in incendiary bombs & signals.
Compounds of Ca i.e CaCO? is used in extraction of metals like Fe.
Radium (Ra) is used in treatment of cancer in radiotherapy.

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