Quiz 89 : GK for SSC Examinations
First Published: May 19, 2009 | Last Updated:June 10, 2019
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1. Potassium permanganate is used to purify water. Which among the following properties of Potassium permanganate helps in this work?
[A] sterilizing
[B] oxidizing
[C] reducing
[D] leaching
Show Answer
Correct Answer: B [oxidizing]
2. Which among the following is a common salt in Detergents?
[A] Sulphate
[B] Nitrate
[C] Sulphonate
[D] Carbonate
Show Answer
Correct Answer: A [Sulphate]
3. Which among the following is major component of Gobar Gas?
[A] Butane
[B] Ethane
[C] Propane
[D] Metahne
Show Answer
Correct Answer: D [Metahne]
4. Which among the following chemicals is used in Photography?
[A] Silver Bromide
[B] Potassium Chloride
[C] Sodium Bromide
[D] Magnesium Chloride
Show Answer
Correct Answer: A [Silver Bromide]
5. When Sulphur is heated with rubber, the process is commonly known as ?
[A] Galvanization
[B] Sulphonation
[C] Vulcanization
[D] Hydrodesulfurization
Show Answer
Correct Answer: C [Vulcanization]
Notes:
Natural rubber becomes soft at high temperature (>335 K) and brittle at low temperatures (<283 k) and shows high water absorption capacity. It is soluble in non-polar solvents and is non-resistant to attack by oxidising agents. To improve upon these physical properties, a process of vulcanisation is carried out. This process consists of heating a mixture of raw rubber with sulphur and an appropriate additive at a temperature range between 373 K to 415 K. On vulcanisation, sulphur forms cross links at the reactive sites of double bonds and thus the rubber gets stiffened.
In the manufacture of tyre rubber, 5% of sulphur is used as a crosslinking agent
6. Which among the following is a common end product of Anaerobic Respiration?
[A] Acetic Acid
[B] Carbonic Acid
[C] Lactic Acid
[D] Hydrochloric Acid
Show Answer
Correct Answer: C [Lactic Acid]
7. PVC is a polymer of ?
[A] Propane
[B] Vinyl chloride
[C] Styrene
[D] Carbonates
Show Answer
Correct Answer: B [Vinyl chloride]
Notes:
Polyvinyl chloride (PVC) is made from the monomer vinyl chloride (CH2 =CHCl). It is used for making rain coats, handbags, toys including dolls, electrical goods and as a covering of electrical wires.
8. Carnotite is a mineral of which among the following metals?
[A] Lead
[B] Uranium
[C] Aluminium
[D] Iron
Show Answer
Correct Answer: B [Uranium]
9. Which among the following judges is known for having pioneered the PIL or Public Interest Litigation?
[A] Justice R N Mishra
[B] Justice PN Bhagwati
[C] Justice Venkatswami
[D] Justice Mirza Hameedullah Beg
Show Answer
Correct Answer: B [Justice PN Bhagwati]
10. Which among the following amendments of Constitution of India had accorded precedence to Directive Principles over Fundamental Rights?
[A] 25th
[B] 42nd
[C] 59th
[D] 44th
Show Answer
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