Chemistry
What is observed when hot concentrated caustic soda solution is added to
(a) Zinc and
(b) Aluminium?
Write balanced equations.
Related Questions
What do you observe when caustic soda solution is added, first a little and then in excess, to the following solutions:
(a) FeCl3
(b) ZnSO4
(c) Pb(NO3)2
(d) CuSO4
Write balanced equations for these reactions.
What do you observe when freshly precipitated aluminum hydroxide reacts with caustic soda solution? Give a balanced equation.
A student was asked to perform two experiments in the laboratory based on the instructions given:
Observe the picture given below and state one observation for each of the Experiments 1 and 2 that you would notice on mixing the given solutions.(a) Experiment 1

(b) Experiment 2

You are provided with two reagent bottles marked A and B. One contains NH4OH solution and the other contains NaOH solution. How will you identify them by a chemical test?