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3B Analatical Chemistry

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

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#1
Front (Question)

2 types of study in analatical chemistry

Back (Answer)

Qualitative and Quantitative

#2
Front (Question)

Qualitative analysis includes

Back (Answer)

Identification of an unknown substance by chemical tests.

#3
Front (Question)

Chemical tests include the use of

Back (Answer)

• Sodium and Ammonium Hydroxides on salt solution. 2. Observation of color and solubility of the precipitates formed.

#4
Front (Question)

A salt is colored if

Back (Answer)

Its cation or anion is colored.

#5
Front (Question)

Salts of elements in group ______ are colorless

Back (Answer)

1,2 and 13 to 17 are colorless.

#6
Front (Question)

Salts of elements in group ______ are colored

Back (Answer)

3 to 12

#7
Front (Question)

Name the color of the following elements: • Cu2+ • Cr3+ • Mn2+ • Fe2+ • Fe3+ • Co2+ • Ni2+

Back (Answer)

• Blue • Green • Pink • Green • Brown or yellow • Blue or pink • Green

#8
Front (Question)

Cr2O7 MnO4

Back (Answer)

Orange Pink/Purple

#9
Front (Question)

Calcium with NaOH

Back (Answer)

White insoluble

#10
Front (Question)

Magnesium with NaOH

Back (Answer)

Dull white insoluble

#11
Front (Question)

Iron (II) with NaOH

Back (Answer)

Dirty green Insoluble

#12
Front (Question)

Iron (III) with NaOH

Back (Answer)

Reddish brown insoluble

#13
Front (Question)

Cu2+ with NaOH

Back (Answer)

Pale blue Insoluble

#14
Front (Question)

Zn with NaOH

Back (Answer)

Gelatinous white soluble

#15
Front (Question)

Zn(OH)2 Can further react with ______ to form ______.

Back (Answer)

NaOH, Na2ZnO2

#16
Front (Question)

Pb(NO3)2 Can further react with _______ to form _______.

Back (Answer)

NaOH, Na2PbO2.

#17
Front (Question)

Both sodium zincate and Sodium plumbite gives a

Back (Answer)

Colorless soltion

#18
Front (Question)

Ca with NH4(OH)

Back (Answer)

Cant form a precipitate

#19
Front (Question)

Why does Ca not react with NH4(OH)

Back (Answer)

Concentration of OH- ions is low.

#20
Front (Question)

Mg with NH4(OH)

Back (Answer)

Dull white Insoluble

#21
Front (Question)

Fe2+ with NH4(OH)

Back (Answer)

Dirty green insoluble

#22
Front (Question)

Fe3+ with NH4(OH)

Back (Answer)

Reddish brown Insoluble

#23
Front (Question)

Cu2+ with NH4(OH)

Back (Answer)

Pale blue soluble

#24
Front (Question)

Cu(OH)2 can further react with ______- to give _____ and ______. It can react with ______ and ______- to give ________ and ________. (NH4OH)

Back (Answer)

NH4OH, [Cu(NH3)4] (OH) 2 -> Tetramine copper hydroxide. NH4OH, (NH4)2SO4, [Cu(NH3)4] (SO4) -> Tetra amine copper sulphate.