Today, we carried out the most exciting experiment so far in our secondary life! We heated certain minerals which were iron oxide, lead sulphide and magnesium carbonate if I'm not mistaken.
Hehe...so fun!!!! The best one was heating the lead sulphide with potassium manganate (VII) solution. We were supposed to decolourise the solution from dark purple to transparent. LOL So fun but MY GROUP TAK JADI BECAUSE OUR FLAME WASN'T THAT HOT EVEN THOUGH IT WAS NON-LUMINOUS!!!!! TT
But we saw other group's experiment which worked perfectly! So interesting to see... hehe
But I pity one group because got scolded by our Science teacher for not following proper precautions when carrying out the experiment. The shocking incident was, THE TEST TUBE BROKE ALL OF A SUDDEN AFTER TEACHER TOOK THE TEST TUBE FROM THEM!
My eyes was like SO BIG when I saw that....lol
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