WorksheetsAnalysis of acidic radicals in salts
Total questions: 10
Worksheet time: 5mins
A precipitate is formed as a result of mixing the two solutions
Cucl2 and Na2co3
H2so4 and cucl2
Kcl and H2so4
Nacl and HNO3
What is the gas which removes the colour of KMno4 solution acidified with sulphuric acid
No2
So2
P2o5
Co2
What is the anion which removesthe colour of acidified KMNO4 solution which is used as an oxidizing agent
So42_
S2_
No3_
CH3coo_
What are the two colourless gases which react together to form a coloured gas
NO2 and O2
N2O3 and O2
N2O and O2
NO and O2
A gas evolves during the reaction of dilute hydrochloric acid with
NaOH
NaHCO3
NaNO3
Na2SO4
Which of the following is used to differetiate between sulphur dioxide and carbon dioxide gases
Acidified potassium dichromate solution
Sodium hydroxide solution
Sodium carbonate solition
A litmus paper wetted with water
Nitrates which are used as fertilized cause rivers pollution, because they
are salts
are highly soluble in water
Contain nitrogen
Carry negative charge
The following pairs of metals give nitrate salts with conc. nitric acid, except
Zn and cu
Sc and Mg
Fe and pt
Zn and Sc
Violet fumes are formed when hot concentrated H2SO4 acid is added to the salt which contains the ions
Cl-
I-
Br-
NO3-
What is the compound which dissolves in concentrated NH4OH solution
Pbcl2
PbSO4
AgCl
CaCO3
