RRB Group D 5-Nov-2018 Shift 2 Solved Paper

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Question : 76 of 100
 
Marks: +1, -0
Which of the following statements is/are true/false
Statements:
A. The following is an example of a reversible reaction:
N2(g) + 3H2(g) ⇄ 2NH3(g)
B. The following example is of double displacement reaction:
2Mg(s) + O2(g)ʉ٦ 2MgO(s)
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