Multiple choice

Match the column – I (element) with column – II (use) and select the correct option.

 
Column – I
Column – II
A. Sodium 1. Making windows of X-ray tubes
B. Beryllium 2. Coolant in fast breeder nuclear reactors
C. Cesium 3. Radiation therapy
D. Radium 4. Photoelectric cells

  1. A - 1, B - 2, C - 3, D - 4

  2. A - 2, B - 1, C - 4, D - 3

  3. A - 4, B - 2, C - 3, D - 1

  4. A - 2, B - 3, C - 1, D - 4

  5. A - 4, B - 3, C - 2, D - 1
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Liquid sodium metal is used as a coolant in fast breeder nuclear reactors. Metallic beryllium is used for making windows of X-ray tubes. Cesium is used in devising photoelectric cells. Radium salts are used in radiotherapy, for e.g., in the treatment of cancer.

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