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potassium bicarbonate

n.
1.a crystalline salt (KHCO3) that is used in baking powder and as an antacid

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  • Idiom of the Day

    cover one's tracks
    to hide where one has been, to hide what one has done
    The man was trying to cover his tracks but it was easy to see where he had been.



    1.
    Choose an idiom to replace the expression in the brackets:
    The government made a (previously-decided) decision about the subway.

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    Nobel Prize
    Nobel Prize : Chemistry
    Year : 1921
    Name : frederick soddy
    Country : great britain.      .. More >>
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