Latest Chemistry Questions | Chemistry Questions and Answers for SSC CGL 2024 & other Competitive Exams. Part – 5.
Hello Friends, We are sharing with you One Liners Chemistry Questions and Answers. This is very helpful for various competitive exams like SSC CGL, CHSL, MTS, RRB, DMRC, UPSC & other competitive exams.
Chemistry Questions for SSC CGL 2024:
201. What is the process of corrosion of a metal when it comes in contact with any chemical and oxygen-
oxidation
202.Alkaline water decomposition of oils and fats gives –
soap and glycerol
203.Water that rubs with soap quickly and gives more foam –
soft water
204.Urea –
Nitrogen Fertilizer
205.White phosphorus is kept in –
water.
206.A small pouch of silica gel is kept in medicine vials containing muffins or capsules –
to absorb moisture.
207.By which process metals are heated-
conduction
208.What is the use of Vatya furnace for –
reduction
209.The electroplate is always made ......... and the metal to be mounted on it is always made ........ -
cathode, anode
210.From whom can mercury be easily obtained-
Cinebar
211.Fuse wire is made of –
lead and tin
212.Which metal star can easily be drawn-
Copper
213.Resides in Amalgam –
Hg
214.Bessemer process is made of –
Steel
215.Thermic welding is a type of –
fusion welding
216.What is a strategic metal-
Titanium
217.More than 80 percent welding capacity –
Arc welding
218.The first synthetic fiber created by Manav was-
Naylaan
219. Silicon carbide is used to cut valuable –
hard objects
220.Who measures are used to measure –
hardness
221.Felspar Ores –
Aluminum
222.A metal often assumes superconductivity –
At cryogenic temperatures.
223.Which are the fuels of the future-
Hydrogen
224.Complete conversion of glucose to carbon dioxide in the presence of oxygen and release of
energy in water is called –
air respiration.
225.Alloys made of stitch .......-
glass and tin
226.Major constituents of Portland cement include -
Lime, Silica and Alumina
227.How much carbon is in steel –
0.25-1.5 percent
228.To increase the protection resistance of steel it is added to-
Chromium
229.CaOCl2 is the chemical formula for a compound commonly known as –
bleaching powder
230.What is the nature of metal-
neutral
231.Hematite ore of-
Fe
232.Which is the purest type of coal-
anthracite
233.Stainless steel –
chromium, iron, nickel and carbon
234.What is Gun Powder –
It is a mixture of potassium nitrate and carbon and sulfur.
235.Who is extracted from commercial Vaseline-
petroleum
236.Pyrex glass is mainly-
heat-resistant glass
237.'Dichloro-difluoro methane' is found in the market by which name-
Freon-12
238.Whose common name is washing soda –
Sodium carbonate
239.Nowadays the density of CO2 in the atmosphere is approximately –
360 in ppm
240.Which substance is used in storage battery-
lead
241.Steel is increased to provide hardness –
The amount of carbon
242.The common element of all acids is-
hydrogen.
243.Sun has nuclear fuel –
hydrogen
244.Which use is done to remove permanent salinity of water due to sulfate of metals –
zeolites
245.The bases of four identical kettles are made of different metals of the same thickness, which
contain the same amount of water, if these kettles are kept on the same fire (heat) in the same
manner, then water is the first metal of which Boiled in a made kettle –
the copper
246.Which metal is the best conductor of electricity-
Silver
247.When steel is dried red hot and cooled slowly, this process is called –
annealing
248.Which element is used in domestic refrigerator-
Freon
249.The most suitable refrigerant for a commercial ice plant is-
NH3.
250. Which is used as an anti-freeze in automobile engines –
ethylene glycol