[IMPORTANT]CHEMISTRY GENERAL KNOWLEDGE QUESTIONS/ANSWER FOR SSC/UPSC/GOVT EXAM

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

B

2. “Atoms can neither be created nor destroyed.” This principle was given by __? 

[A]Avogadro

[B]Dalton 

[C]Rutherford

[D]Niels Bohr 

B

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 

A

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

C

 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

C

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 

B

 7. Identify the thermosetting plastic from the given options: 

[A]Polythene

[B]Bakelite 

[C]Polyvincychloride

[D]Casseine

B

8. White Phosphorous is represented by which among the following symbols? 

[A]P1 

[B]P2 

[C]P3

[D]P4 

P4

9. Which among the following is called Laughing Gas popularly? 

[A]Nitric oxide

[B]Nitrous oxide 

[C]Nitrogen penta oxide

[D]Nitrogen 

B

10. Identify the non-metallic mineral from the given options:

[A]Manganese

[B]Magnesium 

[C]Silica 

[D]Bauxite

C

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