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Chemistry

Chemistry
The inherited traits of an organism are controlled by

enzymes
RNA molecules
nucleotides
DNA molecules

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Chemistry
What is the mass percentage of carbon in carbon dioxide (CO2)

0.273
0.323
0.158
0.201

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Chemistry
Terylene is a condensation polymer of ethylene glycol and which acid?

Terephthalic acid
Salicylic acid
Benzoic Acid
Phthalic acid

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Chemistry
Persons working in cement plants and lime stone quarries are prone to disease like

Cancer
Silicosis
Pneumoconiosis
Asthma

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Chemistry
The chemical name of 'laughing gas' is

Nitrogen pentoxide
Nitrous oxide
Nitrogen dioxide
Nitric oxide

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Chemistry
Who developed Hydrogen Bomb?

Edward Teller
Wernher Von Braun
J. Robert Oppen Heimer
Samuel Cohen

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MORE MCQ ON Chemistry

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