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:
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)
-
1 Answer
-
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.
Similar Questions for you
Li+ has the highest hydration enthalpy.
Hence it is most hydrated
Therefore, Correct order of hydrated radii is Cs+ < Rb+ < K+ < Na+ < Li+
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