Chlorine gas turns damp starch-iodide paper
...Chlorine gas turns damp starch-iodide paper
pink
colourless
red
dark blue
Correct answer is D
Chlorine turns a damp starch iodide paper into dark blue or blue black.
Which of the following metals is NOT extracted by electrolysis? ...
CuO(s) + H\(_2\)(g) ↔ Cu(s) + H\(_2\)O(g) What is the effect of increasing the pressure on the...
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The energy change (ΔH) for the reaction CO(g) + (1)/(2)O2(g) → is? (ΔHi(CO) = -110.4 kJ mol-)...
Which of the following processes is a physical reaction? ...
The IUPAC nomenclature for the compound above is ...
Which of the following scientists formulated the law of conservation of mass? ...
Which of the following compounds is the best possible anti-knock agent for petrol? ...