WorksheetsAinsley - InorgChem lec (Chem. of Elements 2)
Total questions: 29
Worksheet time: 15mins
Odd one out:
Ag
Au
Cu
Co
True statements about Coinage metals, except:
Occur free in nature
Chemically inert
Malleable and ductile
Easily oxidized in air
Best metal for both electrical and heat conductivity.
Cu
Ag
Au
Hg
Color of copper in an aqueous solution.
Green
Red
Emerald green
Blue
I. When there is a too much intake of copper, it may lead to Menke’s disease. II. On the other hand, deficiency of such element may lead Wilson’s disease.
Only I is correct
Only II is correct
Both are correct
Both are incorrect
Copper alloys include, except:
Brass
Bronze
Sterling
Belgian Silver
Antidote for Copper toxicity:
BAL
Dimercaprol
Penicillamine
Sterling
Cupric sulfate is a component these solutions used to detect reducing sugars:
Fehling’s
Benedict’s
Barfoed’s
Nylander’s
The darkening of skin due to long period use of silver preparations.
Shining
Algeria
Bordeaux
Argyria
Which element is considered the King of all metals?
Silver
Titanium
Mercury
Gold
The only acid that can dissolve to your answer from the previous item:
Selenic acid
Sulfuric acid
Nitric acid
Citric acid
Aqua Regia is also known as the King’s water. What are its components?
Nitric acid
Hydrochloric acid
Selenic acid
Acetic acid
Primary uses of Gold:
For gliding and plating
As dental crowns, bridges, & inlays
Fungicide for swimming pools
Carbon monoxide absorbent
Primary uses of Zinc:
Protects from corrosio
Used in batteries
Used for firecrackers
Fixes stains
A zinc compound having a 70% of Zinc oxide and is used a dental filler.
Zinc-eugenol cement
Zinc oxide paste
Zinc oxide hard paste
Zinc pyrithione
True statement/s about Cadmium:
Used for rust-proofing
Univalent
Used as an electroplate with high polish
Has a similar action with Zinc but is less toxic
A non-official Cadmium compound employed as “Jaune brilliant”.
Cd sulfide
Cd sulfate
Cd sulfite
Cd oxide
Components of Nessler’s reagent, a test for ammonia in water.
Calomel
Amalgam
Mayer’s reagent
Potassium hydroxide
Dental amalgams are a mixture of liquid mercury and a solid metal alloy, used to restore teeth after cavities are removed. What are these alloys mixed with liquid mercury?
Silver
Tin
Copper
Gold
I. Yellow HgO is a fine impalpable powder containing 99.5% of HgO.
II. Green HgO is a coarse powder only containing 1% of HgO.
Only I is correct
Only II is correct
Both are correct
Both are incorrect
A non-official Mercury compound that is a component of Millon’s reagent— a test for proteins.
Mercurous nitrate
Mercuric nitrate
Mercurous nitrite
Mercuric nitrite
Composition of German Silver
Cu
Zn
Ni
Ne
"Blue vitriol"
Cupric citrate
Cupric sulfate
Cupric acetate
Basic cupric acetate
Non-official Silver compounds, except:
Ag bromide
Ag oxide
Ag picrate
Ag nitrate
Names of ZnO:
Diluted Talbot's Solution
Zinc white
Chinese white
Lassar's plain zinc paste
This forms amalgams with many metals:
Hg
Ag
Cd
Zn
"Parrot Green"
Basic cupric acetate
Cupric acetate & acetic acid
Cupric acetoarsenite
Cupric hydrogen arsenite
Composition of Bordeaux mixture:
CuSO4 ∙ 5H2O & ZnO
CaO ∙ 4H2O & CuSO4
CaO ∙ 5H2O & CuSO4
CuSO4 ∙ 5H2O & CaO
Gold's color
Yellow
Yellow orange
Green
Sunny yellow
