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Chemistry

Chemistry
Sour milk contains

Citric acid
Lactic acid
Tartaric acid
Acetic acid

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Chemistry
The polymer obtained by the condensation of hexamethylene diamine and adipic acid is :

Terylene
Nylon 66
Tollen's
Bakelite

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Chemistry
Which of the following gases is most toxic ?

Carbon dioxide
Sulphur dioxide
Chlorine
Carbon monoxide

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Chemistry
What is the chemical symbol of mercury

Mg
None of these
Mr
Hg

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Chemistry
Which of the following has no unit

Electron affinity
Excitation potential
Electronegativity
Ionization energy

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Chemistry
Physico-chemical characteristics of water in water sources undergo changes due to

Aquatic macrophytes
Auatic fungi
Evapotranspiration
Effluents

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MORE MCQ ON Chemistry

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