Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Equilibrium
The general reaction between a metal oxide and an acid can be written as:
1
Metal oxide + acid ⇨ salt + water
2
Metal oxide + acid ⇨ salt + precipitate
3
Metal oxide + acid ⇨ water + gas
4
More than one of the above
5
None of the above