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Sagot :
Answer:
it is hydrogen gas
3. the chemical equation is :
MgSO4 ( s ) + H2SO4 (aq)-->
MgSO4 (aq) + CO2 (g) + H2O (I)
THE IONISING OF H2SO4 IN SOLUTION IS CONPLEX
4. MAGNESIUM REACTION WITH DILUTE SULPHURIC ACID TO FORM
MAGNESIUM SULPHATE AND HYDROGEN GAS
Explanation:
hope it helps u
#A
Bubbles mean there is hydrogen gas popping up in tube.
#B
He should take a match stick and show it on the head of tube.If there is hydrogen it will be heared a popup sound and the flame will be over.
#C
Balanced equation given by
[tex]\\ \sf\longmapsto {2Mg\atop Magnesium}+{H_2SO_4\atop Sulphuric\:acid}\longmapsto {Mg_2SO_4\atop Magnesium \:sulphate}+{H_2\atop Hydrogen}[/tex]
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