The allure of Perak’s karst ponds is undeniable, but they may actually belong to someone so paddlers must be mindful of ...

0==K. 0. Na.O. Trc.-f-2C. 0*.-f-H. 0.; that is, tartrate of Eoda and potassa or Rochelle salt, which is a biba-sic salt, is formed, and carbonic acid and water are displaced, performing the same ...

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1 We have been able to obtain formaldehyde by the exposure of solutions of carbonic acid and bicarbonates to tropical sunlight in presence of various inorganic and organic photocatalysts.

On a bitterly cold August night in 1872, a young family of four fatally suffocated from the fumes of burnt charcoal as they ...