Question

Question Type Subjective Single choice
(A) A student dipped the strip of metal X
in blue coloured salt solution YSO4. After
some time a layer of metal Y from the
salt solution is formed on the surface of
metal strip X. (a) What could be (i) metal
X and (ii) metal Y (b) Write the chemical
reaction and identify it. (c) Which metal
is more reactive? (B) (a) What is
universal indicator? (b)Write the
chemical equation involved in the
preparation of Sodium hydroxide & name
the process?​

Answer 1

Answer:

) Metal X is Zinc (Zn).

b) Metal Y is Copper (Cu).

c) The metal salt YSO

4

is Copper sulphate (CuSO

4

).

d) Displacement reaction takes place as X is more reactive than Y.

Reaction: CuSO

4

(aq)+Zn(s)→ZnSO

4

(aq)+Cu(s)

e) Brass is the alloy made of Copper and Zinc.

Hope it helps you!!!!!!

Answer 2

rjdjr0w9wo4kjrjjfjfififkt