white
pink
red
blue
Correct answer is B
Blue anhydrous cobalt (II) chloride changes to pink in water
When element \(_{20}\)Y combines with element \(_8\)Z, it forms...
2Cl2(g) + 2H2O(g) 4HCl(g) + O2(g) ∆H° = +115KJ mol-1. In the above equilibrium reaction, a decr...
At 27°C, 58.5g of sodium chloride is present in 250cm\(^3\) of a solution. The solubility of sod...
Particles in a solid exibit ...
A substance that is used as a ripening agent for fruits is ...
Which of the following is used as fuel in miners' lamp? ...
A solution of zinc chloride should not be stored in a container made of ...
Which of the following dilute solutions has the lowest pH value? ...