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Answer :

HoneyCake16go

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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