Question

class x. -
(c) HBL
(a) none
RUPS AQRA
Wat Team Examination 2030
chem
mistry
M.M.27
Ou
Multiple choice of one wind Amest dype question
,
(carry Imark each),
Reaction between lead rebate and potasium udide
a Suplacement (w decomposition (double des platenia
nathaluation
10)An ucaction pre + H2 + 2HB , Ofidising agent is
call Big (b) Ha
(ī) Decomposition reaction takes place by light is called
(a Thermal
() Photolyticell (c) Elefue al d nene
(v) Acid present in apple is .
Formic (6) Acetic (d) maleic (6) Tartaric
en unescasing basicity of solution its pH value
( @ increases Um deseadus conentcharge do nome
none of the
vi) which of the following is amphoteric oxide ?
a mgo (6) zno
(v substance which change blue litmus tored has
less than 7 (6) 7 (c) more than 7 (d) Wone of abou
(vii) More reactive metale are present at
(a) Topef
mear twity seri (6) bettem / mastity scue
middle of reačturity serie di Nonk of abord
(0)
(N
)
(c) N920
(d) Cao
pH value
{ win
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Answer 1

Answer:

MCQ

1. Dissolved iodide ions, when in the presence of dissolved lead II ions, will produce the vibrant yellow insoluble solid, lead II iodide. In this double displacement precipitation reaction, lead II nitrate solution is added to potassium iodide solution.

2.