Hello Aspirants. Welcome to Online General Knowledge section in Affairs cloud, which is important for all the competitive exams. We have created Some questions related to General Science(Chemistry) !!!
- The Water gas compositions is ……………………
1.Carbon-di-oxide and Oxygen
2.Carbon monoxide and Hydrogen
3.Carbon monoxide and Nitrogen
4.Carbon-di-oxide and Oxygen
5.None of theseAnswer – 2.Carbon monoxide and Hydrogen
Explanation :
water gas is a mixture of hydrogen and carbon monoxide - The irritation caused by red ants bite due to which of the following ?
1.Acetic acid
2.Oxalic acid
3.Malonic acid
4.Formic acid
5.None of theseAnswer – 4.Formic acid
Explanation :
Formicine ants can cause irritation by spraying formic acid - The molecular weight of cellulose varies between ………………
1.10000 to 100000
2.50000 to 500000
3.20000 to 500000
4.20000 to 100000
5.None of theseAnswer – 3.20000 to 500000
Explanation :
The molecular weight of cellulose varies between 20000 and 500000 - Which acid is used in ink remover ?
1.Acetic acid
2.Oxalic acid
3.Malonic acid
4.Formic acid
5.None of theseAnswer – 2.Oxalic acid
Explanation :
Oxalic acid effectively removes ink, food stains, and many other types of stains - ……………… is the strongest reducing agent
1.K
2.Mg
3.Cu
4.Ag
5.None of theseAnswer – 1.K
Explanation :
The strongest oxidizing agent is fluorine
The strongest reducing agent is Potassium - The Unit of dipole moment is ……………
1.Debey
2.Newton
3.Weber
4.Fermi
5.None of theseAnswer – 1.Debey
Explanation :
The debye (symbol: D) is a CGS unit of electric dipole moment named in honour of the physicist Peter J. W. Debye. It is defined as 1×10^−18 - Empirical formula for Chloroform is ……………………
1.CHC11
2.CH2C11
3.CH2C12
4.CHC13
5.None of theseAnswer – 4.CHC13
Explanation :
Chloroform is an organic compound with formula CHCl₃. It is a colorless, sweet-smelling, dense liquid that is produced on a large scale as a precursor to PTFE and refrigerants, but the latter application is declining. - Which metal forms an amalgam with other metal ?
1.Aluminium
2.Tin
3.Mercury
4.Lead
5.None of theseAnswer – 3.Mercury
Explanation :
An amalgam is a substance formed by the reaction of mercury with another metal. Almost all metals can form amalgams with mercury - The Viscosity of solid is ……………….
1.Infinite
2.Zero
3.Maximum
4.Minimum
5.None of theseAnswer – 1.Infinite
Explanation :
when the viscosity is infinite,an infinitely sticky material cannot flow at all and so is solid - The natural gas is formed primarily of
1.Butane
2.Ethane
3.Methane
4.Propnae
5.None of theseAnswer – 2.Methane
Explanation :
The natural gas is formed primarily of methane, it can also includeethane, propane, butane and pentane.
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