what happens when a burning matchstick is brouth near the mouth of the test tube in which a metal reacted - Science - Materials Metals and Non-Metals

Question

what happens when a burning matchstick is brouth near the mouth
of the test tube in which a metal reacted with sulphuric acid
??????

Riya Punjabi · Answer

When a matchstick is brought near the mouth of the test tube in
which a metal has reacted with sulphuric acid, the matchstick
produces a pop-sound nd stops burning this is due to evolution of
hydrogen gas after the reaction
METAL + ACID ---------> SALT + HYDROGEN GAS
eg Zn + H2SO4 ---------->
ZnSO4 + H2
THE POP SOIND MADE IS DUE TO THE EVOLUTION OF HYDROGEN GAS,
THEREBY, BURNING OUT THE FLAME
HOPE IT HELPS!

what happens when a burning matchstick is brouth near the mouth of the test tube in which a metal reacted with sulphuric acid ??????