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Biology; Chemistry; Physics: Post your doubts here!

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Why in the ATP chem potassium magnate co our changes from purple to pink in titration?and in exothermic reaction thus temp rise ?so in endo temp of surrounding and reaction decreases?:-/
 
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CAN SOMEONE PLEASEEEEEEE HELLLLLPPP ME IN MAGNETISM AND RADIOACTIVITY ANYONE HAS NOTES PLSSSSSSSSS NEED HELP I WILLBE REALLLY GRATEFULL
 
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Answering paper 1!
how mch time do we need to fill the answer sheet phy,chem, bio
......the shading part?
reply soon!
 
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