Barium is a metal in group IIA of the periodic table with atomic number 56, an atomic weight of 137.34, and a density of 3.5 Mg/m 3. Its melting point is 714 C, and it boils at 1640 C. The electronic ...
2d
The Express Tribune on MSNCanary trapOne: The term canary trap is borrowed from fiction. It was coined by Tom Clancy in his novel Patriot Games. The ...
Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first. Carbonate ions also produce a white precipitate with barium chloride solution. The acid reacts with ...
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