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Chemistry

Chemistry
Methanoic and ethanoic acids can be distinguished by the action of

Tollen's reagent
NaHCO3
SOCl2
NaOH

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Chemistry
Which among the following is used as a catalyst in the production of high octane fuels?

HF
HCl
HNO3
H2SO4

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Chemistry
The monomer of polythene is

None of these
ethyl alcohol
ethylene
vinyl chloride

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Chemistry
Which of the following has no unit

Electronegativity
Excitation potential
Electron affinity
Ionization energy

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Chemistry
The substance that is added to make natural rubber strong and more bouncy is

Sponge
Polythene
Chlorine
Sulphur

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Chemistry
What material is used to make electric heater coil ?

Nichrome
Copper
Iron
Silver

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