CHEMISTRY 3rd March(6.30am-2.30pm)
[REAL ANSWERS]
-Ca(HCO3)2 and Mg(HCO3)2 Salt
-purple
-ionic
-27,33 and 27
-rare gases
-convert chemical wastes to harmless substances before releasing them into the environment
-cm emulsion
-rate of reaction
-x-rays
-the valence electrons of the elements increase progressively across the period
-28.11
-chromatography
-1
-50%
-an exothermic reaction
- .-2081jmol^-1
-lightness
-highly saturated
-z
-CO and H2 -CLICK HERE TO CONTINUE READING
[REAL ANSWERS]
-Ca(HCO3)2 and Mg(HCO3)2 Salt
-purple
-ionic
-27,33 and 27
-rare gases
-convert chemical wastes to harmless substances before releasing them into the environment
-cm emulsion
-rate of reaction
-x-rays
-the valence electrons of the elements increase progressively across the period
-28.11
-chromatography
-1
-50%
-an exothermic reaction
- .-2081jmol^-1
-lightness
-highly saturated
-z
-CO and H2 -CLICK HERE TO CONTINUE READING
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