Tuesday, October 10, 2023

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.

Monday, October 9, 2023

Chemistry One Liners | One Liner Chemistry Questions | Chemistry Questions for All Exams | Part - 3.

Latest Chemistry Questions | Chemistry Questions and Answers for SSC CGL 2024 & other Competitive Exams. Part – 3.





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:

101. Dung gas mainly consists of-

        Methane

 

102. In heavy water-

        hydrogen is deuterium instead.

 

103. Industrial production of polythene is done by-

        polymerization ethylene

 

104. PVC in plastics industry What is the term used for –

        polyvinyl chloride

 

105. How many isotopes of hydrogen are –

        three

 

Physics One Liners.

 

106. Which metal is used in electromagnets –

        Soft iron

 

107. Stainless steel is used to make metals -

        chromium and steel

 

108. One gram atom of iron means –

        55.8 atomic mass unit

 

109. The reason for the difference in isotopes of an element is due to the difference in their number-

        neutron

 

110. The name of the medicine given to prevent infectious diseases is-

        sulfathiazole.

 

111. A substance that can be deformed forever by heat and pressure is called –

        Thermostat.

 

112. Contact process involves the reaction of converting sulfur dioxide into sulfur trioxide -

         exothermic

 

113. The largest component of atmospheric air is –

         nitrogen.

 

114. Whose acetylation can heroin be made from-

        Morphine

 

115. An example of a natural fungicide is –

        Vyron

 

Polity One Liners.

 

 

116. The oldest pesticide is –

        nicotine.

 

117. The carbonic solvent resulting from distillation of wood is-

        acetone, methanol

 

118. Chemically Insulin ..........-

        Peptide

 

119. Processes that are used to make artificial enzymes –

        genetic engineering, synthesis of crown ethan.

 

120. Aluminum percolate is used in -  

        Hybrid propellant

 

121. Chemically water is –

        an oxide

 

122. A commonly used alcohol to make a detergent is-

        lauryl alcohol.

 

123. Flint is in glass –

        lead chromate

 

124. The term exclusion is related to the theory propounded by which scientist –

        Pauli

 

125. This process is often adopted in the separation of hydrocarbons found in petroleum –

        Efficient distillation

 

 

History One Liners.

 

126. Common bacterial ointment is the yellow solid material used in the bandage-

        iodoform

 

127. Raspberry form is white spiritite –

        a mixture of petroleum hydrocarbons.

 

128.  ............ sodium is a binary compound -  

        Sodium nitrate

 

129. In the treatment of some specific types of antibiotic, which is called-

        mitomadicin, cancer is used.

 

130. The reason for water being unusually high is that of hydrogen sulfide or hydrogen chloride -

         hydrogen bonding.

 

131. The process of separating the components of a mixture using the boiling point of variation of

the components of a mixture is called –

        Prabhaji distillation.

 

132. The term 'copper demon' was used to denote which metallic element-

         'Nickel'

 

133. 'Aqua regia' is a mixture of-

        HCI and NHO3

 

134. Chemicals used as simple disinfectants and as component of contraceptive are-

        paraformaldehyde.

 

135. Coke production from bitumeni coal is of the following process –

        Breaking distillation

 

Economics One Liners.

 

 

136. Insulin controls –

        blood sugar levels

 

137. Interferon inhibits kiss-

        virus

 

138. Industrial production of important hormones somatostatin and somatotropin is done by-

        By Recombitant DNA technology

 

139. Enzymes used in organic synthesis are mainly extracted from a –

        microbial source.

 

140. 'Which are the main components of the chosen stone mineral-

        calcium carbonate

 

141. The pH of an acidic solution can be ................

        3.

 

142. Who is more likely to get cancer –

        oil-refinery, heavy water, X-rays, dyes and paints

 

143. Photochemical smog is the product of smog -

        peroxyacetic nitrate, ozone.

 

144. What is plentiful in 'Petron crop' (Petrocrop) plants –

        Hydrocarbons, Proteins

 

145. The famous miracle drug for Kaiser, 'Texal' is extracted from which tree-

        U (yew)

 

Biology One Liners.

 

 

146. The long form of the periodic table as a function of which is based on element properties –

        Atomic number

 

147. Iron has a valency in ferric oxide-

        +3

 

148. The atomic number of an element is the number of .......-

        Proton in the nucleus.

 

149. Displays the properties of an element -  

        Atomic number

 

150. In which the atomic weight of an element is expressed as-

         AMU.

 

List of Battles in Indian History.