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Chemistry

Chemistry
How many neutrons are there in 92U238 atom ?

146
238
330
92

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Chemistry
The element with highest ionization potential is

Helium
Oxygen
Boron
Carbon

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Chemistry
The hydronium ion is

H+
HO -
H3O+
H2+

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Chemistry
Coating of solid waste with impervious material is known as

Landfill
Encapsulation
Chemical fixation
Capping

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Chemistry
Which of the following is not present in RNA

Ribose
Thymine
Uracil
Phosphate

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Chemistry
Who first published the periodic table

Henry Moseley
John Dalton
Dmitri Mendeleev
Julius Lothar Meyer

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