Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Equilibrium
A metal 'M' reacts with oxygen to form a compound 'X'. Compound 'X' forms salt and water on reaction with both sulphuric acid and potassium hydroxide, separately. Which metal is this?
1
Aluminium
2
Copper
3
Sodium
4
More than one of the above
5
None of the above