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Chemistry

Chemistry
If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by

Iron
Arsenic
Lead
Mercury

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Chemistry
High concentration hydrocarbon pollutants in atmospheric air causes

Silicosis
Respiratory diseases (e.g.asthma)
Reduced crop yield
Cancer

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Chemistry
Which one is the most dense liquid from the below

Choloform
Water
None of these
Gasolin

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Chemistry
Cement is formed by strongly heating a mixture of

Chalk and graphite
Limestone and graphite
Clay and graphite
Limestone and clay

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Chemistry
Which of the following methods is used in determining the number average molar mass of a macromolecule

Viscosity
Osmotic pressure
Sedimentation equilibrium
Light scattering

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Chemistry
The number of neutrons present in an element having mass number 226 and atomic number 88 is :

314
138
88
50

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