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WorksheetsGeneral Chemistry
Total questions: 17
Worksheet time: 11mins
The chemical used as a fixer in photography is
sodium sulphate
borax
sodium thiosulphate
ammonium sulphate
Which variety of glass is heat resistant?
bottle glass
flint glass
hard glass
Pyrex glass
Borax is chemically called as
Sodium monoborate
Sodium carborate
sodium tetraborate
Sodium hexaborate
Fuming sulfuric acid is called
Oxone
Oleum
Sulphuric acid
Oxide
What is Philosopher Wool chemically called?
Lead peroxide
Lead dioxide
Lead trioxide
Lead tetraoxide
What is Sodium ammonium hydrogen phosphate commonly called as?
Macrocosmic salt
Microcosmic Salt
Common Salt
Alum
K2CO3 is commonly called as
Potassium carbonate
Litharge
Borax
Pearl Ash
What is the chemical formula of Hydrolith?
CaH2
Ca(OH)2
CaCO3
CaOCl2
CaOCl2 is chemically called
Calcium chlorohypochloride
Calcium oxyhypochloride
Calcium chlorohypochlorite
Calcium oxyhypochlorite
AgNo3 is commonly called as
Silver nitrate
Lunar caustic
Silver caustic
Litharge
Carbonyl Chloride can be written in formula as
CO2Cl
COCl2
C2OCl
COCl
The ratio of pure gold in 18-carat is
60%
75%
80%
95%
If there is no CO2 in the earth's atmosphere, the temperature of the Earth's surface would be
dependent on the amount of O2 in the atmosphere
higher than present
lower than present
the same
KMnO4 ( Potassium permanganate) is used for purifying water because
Dissolves the impurities of water
Is a sterilizing agent
Is a reducing agent
Is an oxidizing agent
Which of the following element is obtained from sea water?
Argon
Sulphur
Iodine
Vanadium
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