Chemistry One Liners | One Liner Chemistry Questions | Chemistry Questions for All Exams | Part - 4.

Latest Chemistry Questions | Chemistry Questions and Answers for SSC CGL 2024 & other Competitive Exams. Part – 4.

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:

151. The first classification of elements was done -

         New Land

 

152.Energy is emitted from the Sun –

       from nuclear fusion.

 

153.The number of electrons in an atom of atomic number Z and mass number A is –

       Z

 

154.Hydrogen has a tendency to get the configuration of helium by taking an electron, similar to this

trend –

       from halogen

 

155.Where is Vikram Sara Bhai Space Center-

       Thiruvananthapuram

 

Physics One Liners.

 

 156.There are two elements in which the number of electrons are different but whose mass number is

the same is called –

       the isobaric.

 

157.What are 30Si14, 31P15, 32S16 –

       Isotones

 

158.Which isotope of uranium has the ability to continue the chain reaction occurring in a nuclear

reactor-

       U-235

 

159.The four chars in diamond are tethered to each other –

       tetrahedral

 

160.Thiocal rubber –

        synthetic rubber

 

161.Which gas smells of eggs –

       H2S

 

162. Which allotropes of carbon occur in a solid three-dimensional structure –

        Diamond

 

163.The volume of a certain mass of a gas at 273 ultimate temperature is 25 ml. If the pressure is

kept constant, the volume of the mass of the same gas at 546 ultimate temperature will be –

       50 ml.

 

164.Which gas cover absorbs harmful ultraviolet radiation from the sun –

       ozone

 

165.The amount of oxygen that can be obtained from 90 kg of water is –

       80 kg.

 

Polity One Liners.

 

 166.Producer gas is used as a source of fuel and nitrogen. These gases are obtained –

       when steam is passed over the coke

 

167.Which gases are used to make soda water –

       CO2

 

168.Hydrogen gases are commonly prepared –

       Hydrogen gases are prepared by the reaction of pure zinc with dilute H2SO4.

 

169.By reducing the temperature, all the gases will occupy zero volume –

       -2730C

 

170.Under what conditions does the Bael rule apply –

       fixed temperature

 

171.Which of the following is estimated by checking the pollution of motor cars at service stations -

        lead and carbon particles

 

172.Two balloons are filled with the same gram atoms as hydrogen and helium, both have holes

of the same size. First of all, which balloon will be compressed –

        hydrogen filled balloon

 

173.1 mole is equal to –

       6 x 2310

 

174.The number of moles in 44.8 liters of CO2 on N.T.P is-

       2

 

175.The temperature of a gas increases during its-

        pressure.

 

 History One Liners.

  

176. Tubes are mainly filled with gas –

        Mercury vapor and argon.

 

177.Commonly used flame in gas welding are –

        neutral, oxidized, carburetic

 

178.How many electrons are in the outermost chamber of inert gas atoms-

       eight

 

179.Which gas makes lime water white –

        CO2

 

180.When an air-filled tire bursts, the air released will be –

       cold.

 

181.Carbon dioxide gas comes out of whose burning-

       diamond

 

182.Due to the green house effect, the warming of the Earth's atmosphere, which is due to-

       Infrared rays

 

183.Who is widely used in unconsciousness-

       Chloroform

 

184.Which gas is used to kill bacteria-

       Chlorine

 

185.The most common element in all –

       amlohydrogen.

 

Biology One Liners.

  

186.Common gas equations are –

        PV = n RT

 

187.The constituent gases of air are generally-

        Nitrogen and oxygen.

 

188. Acid rain is mainly due to which gas-

        SO2

 

189.Steam flow on red hot coke is obtained by –

       burning water gas.

 

190.What causes temporary hardness of water -

       calcium bicarbonate

 

191.The temporary hardness of water can be corrected by using-  

       Ca(OH)2

 

192.The raw materials used in the salvage process for the manufacture of sodium carbonate include -

       ammonia and carbon dioxide

 

193.Reaction of carbon monoxide to H2 at 3000C is made-  

       Methane

 

194.Plaster of Paris –

       CaSO4.1/2H2O

 

195.Aqua Regia is a mixture of-

       HCL and HNO3

 

Economics One Liners.

 

 196.An element forms compounds containing the formula XCl3X2O5 and Ca3X2 , but does not form

XCl5, which element may be –

       X- N

 

197.The basic principle used in the manufacture of a match is –

        phosphorus.

 

198.Global warming conditions arise from the intensity of which gas in the atmosphere -

       hydrogen.

 

199.Calcium carbide is formed by pouring water on-

       acetylene

 

200.Aluminum Oxide –

       Neutral Oxide

  

List of Battles in Indian History.