the following is the correct combination of metals and acids to produce hydrogen gas
a) zinc and nitric acid b) zinc and sulphuric acid c) zinc and hydrogen chloride d) mercury and concentrated sulphuric acid ? how will we come to know which is the correct combination among the above one
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Explanation:
HEY MATE!!!!!!!!!!
The correct combiation is Zn + HCl
Zn + 2HCl ⇒ ZnCl₂ + H₂
keep a matchstick at the test tube while the reaction occurs..... the flame will burn with a "POP" sound
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