Verified Solution • 2025–26 Session
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QJEEM21Ch82f9: JEE Main 2021 Chemistry - Class 11 JEEM21Ch82f9 Solution: Match List - I with List - II : List - I List - II (a) Be (i)…
Match List - I with List - II :
Choose the most appropriate answer from the option given below :
| 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 :
Multiple Choice Options
- A (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
- B (a)-(iii), (b)-(iv), (c)-(v), (d)-(ii)
- C (a)-(iii), (b)-(iv), (c)-(ii), (d)-(v)
- D (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
Step-by-Step Verified Solution
Beryllium is used in the manufacture of alloys. Metallic beryllium is used for making windows of X-ray tubes. Radium salts are used in radiotherapy, for example, in the treatment of cancer. Magnesium (powder and ribbon) is used in flash powders and bulbs, incendiary bombs and signals. Calcium is used in the extraction of metals from oxides which are difficult to reduce with carbon.