Top most gereral science question asked in government exam related to the chemistry

Here is some top most asked question in genral science related to the chemisttry which may be ask in government exam like sbi po , group c, IAS, PCS etc.

  • Of which alloy the commonly used safety fuse-wire is made? – Alloy of Tin and Lead
  • What is alcohol obtairied in the saponification process? – Glycerol
  • Which antiseptic compound is present in Dettol? – Chloroxylenol
  • By which was the presence of Cobalt. in Vitamin B-12 established for the first time? – Borax-Bead test
  • Which metal can deposit copper from copper sulphate solution? – Iron
  • Which group of gases contribute to the “Green House effect”? – Carbon dioxide and Methane
  • Of which Container radioactive materials should be kept? – Pb
  •  Which is not an anaesthetic agent in surgical operations? – Acetone
  • What is the percentage of Nitrogen, present in ammonium sulphate? – 21%
  • Which is the nuclear particle having no mass and no charge, but only spin? – Neutrino
  • The pH of fresh milk is 6. When it turns sour, what will be the pH? – Less than 6
  • What is a compound that is a white solid which absorbs water vapour from the air? – Calcium chlorid
  •  To which product of equivalent weight and valency of an element is equal? – Atomic weight
  • Which element forms the highest number of compounds in the periodic table? – Silicon
  • What is the name of gas which is present in both the natural gas and the biogas? – Methane
  • How many elements are in the second period of the periodic table? – Eight
  • How does addition of ethylene dibromide help to petrol? – Elimination of lead oxide
  • What do we call the process of separation of pure water from impurities? – Distillation
  • With which liqued is anomalous expansion associated? – Water
  • What is a tick paste of cement, sand and water called? – Mortar
  • Ethanol containing 5% water By which name is it known? – Rectified spirit
  • Which is used to dilute oxygen in the gas cylinders used by divers? – Helium
  • What do cathode rays caise when obstructed by metal? –emission of X-rays
  • Which gase is supporter of combustion? – Oxygen
  • On heating, Gypsum loses certain percentage of its water content and what does it become? – Plaster of Paris
  • A liquid initially contracts when cooled down to 4 degree Celsius bu
  • How must have metals used to make wires for safety fuses? – Low resistivity and low melting point
  • Sodium stearate is a salt and how is it used? – To make soap
  • Which are the two main constituents of granite? – Iron and silica
  • Which method of water purification does not kill microorganism? – Filtration
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