Table of Contents
MCQs ON CHEMISTRY
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1. Bring out the only correct statement in context with Uranium:
[A]Both U-235 and U-238 are fissile but only U-235 can sustain chain reactions
[B]Only U-235 is fissile and can sustain chain reaction but U-238 is fertile
[C]U-238 can be used in chain reactions only after extracting U-235 from it
[D]Uranium enrichment is a process where concentration of U-238 is increased using some chemical processes
2. “Atoms can neither be created nor destroyed.” This principle was given by __?
[A]Avogadro
[B]Dalton
[C]Rutherford
[D]Niels Bohr
3. 2,4-D, which is sold as a weed killer of the broad-leaved weeds is a synthetic version of __:
[A]Auxin Hormone
[B]Cytokinin Hormone
[C]Xylitol
[D]None of them
4. The aqueous solution of which among the following acids is called Vinegar?
[A]Oxalic acid
[B]Citric acid
[C]Acetic acid
[D]Hydrochloric acid
5. Which among the following is the correct decreasing of bioelements in Human Body?
[A]oxygen, hydrogen, Carbon, nitrogen, calcium, and phosphorus
[B]oxygen, carbon, nitrogen, hydrogen, calcium, and phosphorus
[C]oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus
[D]carbon, oxygen, hydrogen, nitrogen, calcium, and phosphorus
6. Which among the following happens in an oxidation reaction ?
[A]Electrons are gained
[B]Electrons are lost
[C]Protons are gained
[D]Protons are lost
7. Identify the thermosetting plastic from the given options:
[A]Polythene
[B]Bakelite
[C]Polyvincychloride
[D]Casseine
8. White Phosphorous is represented by which among the following symbols?
[A]P1
[B]P2
[C]P3
[D]P4
9. Which among the following is called Laughing Gas popularly?
[A]Nitric oxide
[B]Nitrous oxide
[C]Nitrogen penta oxide
[D]Nitrogen
10. Identify the non-metallic mineral from the given options:
[A]Manganese
[B]Magnesium
[C]Silica
[D]Bauxite
ANSWERS:
1)B
2)B
3)A
4)C
5)C
6)B
7)B
8)D
9)B
10)C