Science Source General Science

EN_90286235_0280

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caption

Cobalt Chloride going from cold to hot. A common use for cobalt(II) chloride was for the detection of moisture. A concentrated aqueous solution is red at room temperature, but becomes blue when heated.

headline Science Source General Science

created date 2010-02-13

credit EAST NEWS

source Science Source

byline Charles D. Winters

original transmission reference 2v6570

weight 0,82MB

size 20cm x 31cm by 300dpi

keywords - Show

AQUEOUS, AT, BECOMES, BLUE, BUT, CHARLES, CHEMICAL, CHEMISTRY, CHLORIDE, COBALT, COCL2, COLD, COMMON, COMPOUND, CONCENTRATED, DEMONSTRATION, DETECTION, EXPERIMENT, FLAME, FOR, FROM, GOING, HEAT, HEATED, HEATING, HOT, II, IS, LAB, LABORATORY, MINNERS, MOISTURE, OF, RED, ROOM, SOLUTION, TEMPERATURE, TEST, THE, TO, USE, WAS, WHEN, WINTERS,