Steam changes the colour of anhydrous cobalt (ll) chlorid...
Steam changes the colour of anhydrous cobalt (ll) chloride from
white to red
blue to white
blue to pink
white to blue
Correct answer is C
No explanation has been provided for this answer.
Consider the neutralization reaction represented by the following equation: Na2CO3 + 2HNO 3 → 2...
The confirmatory test for alkanoic acids in organic qualitative analysis is the? ...
When element 20A combines with element 8Y,...
A dense white fume is formed when ammonia gas reacts with ...