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 :
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.
About this question
Subject: Chemistry · Chapter: s-Block Elements · Topic: Alkali Metals
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