Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
Which of the following metals reacts violently with cold water?
1
Magnesium
2
Potassium
3
Zinc
4
More than one of the above
5
None of the above