JEE PYQ: S Block Elements Question 9
Question 9 - 2021 (18 Mar Shift 2)
Match list-I with list-II:
List-I: (a) Be (b) Mg (c) Ca (d) Ra
List-II: (i) Treatment of cancer (ii) Extraction of metals (iii) Incendiary bombs and signals (iv) Windows of X-ray tubes (v) Bearings for motor engines
(a) a-iv, b-iii, c-i, d-ii (b) a-iv, b-iii, c-ii, d-i (c) a-iii, b-iv, c-v, d-ii (d) a-iii, b-iv, c-ii, d-v
Show Answer
Answer: (b)
Solution
Be is used in the windows of X-ray tubes (iv). Mg is used in incendiary bombs and signals (iii). Ca is used in the extraction of metals (ii). Ra is used in the treatment of cancer (i).
BETA
