1.which of the following can undergo a chemical reaction? [NCERT Exemplar]
(a) MgSO4 + Fe
(b) ZnSO4 + Fe
(c) MgSO4 + Pb
(d) CuSO4 + Fe
2. The most abundant metal in the earth’s crust is
(a) Iron
(b) Aluminium
(c) Calcium
(d) Sodium
Answers
Answered by
0
Answer:
Aluminium is the most abundant metal in earth's crust.
Answered by
1
Answer:
1 (d) CuSO4 + Fe 2( b) Aluminium
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