Washing soda is represented by Na₂CO₃.xH₂O. The value of 'x' is equal to:
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Correct answer: (B) 10
From RRB JE CBT-1 PYQ 18 Dec 2024, Shift 2 (12:45 PM)
This is question 9 of RRB JE CBT-1 PYQ 18 Dec 2024, Shift 2 (12:45 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.