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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
The compound to which H2 does not add is1). Biphenyl ethylene2). Tetraphenyl ethylene3). Tetraanaphthylethylene4). Tetra phenanthrylethylene |
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Answer» The COMPONENT to which $H_2$ does not ADD is Tetraphenyl ETHYLENE
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| 152. |
The major component in the LPG is1). methane2). butane3). ethane4). propane |
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| 153. |
The major harmful gas emitted by automobile vehicles which causes air pollution is1). Carbon Monoxide2). Methane3). Carbon dioxide4). Ozone gas |
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| 154. |
The main constituent of naturalgas is1). Methane2). Ethane3). Butane4). Propane |
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| 155. |
Gunpowder consist ofa mixture of1). sand and TNT2). TNT and charcoal3). nitre Sulphur and charcoal4). Sulphur sand and charcoal |
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| 156. |
The major constituent of air is1). nitrogen2). carbon dioxide3). oxygen4). hydrogen |
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| 157. |
Which is abundant in Gobar gas?1). Carbon dioxide2). Methane3). Oxygen4). Hydrogen |
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| 158. |
Who developed Hydrogen Bomb?1). Werner Von Braun2). J. Robert Oppen Heimer3). Edward Teller4). Samuel Cohen |
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| 159. |
An atomic pile is used for1). producing X rays2). conducting nuclear fission3). conducting thermonuclear fusion4). accelerating atoms |
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| 160. |
The atmospheric gas that is mainly responsible for Green House effect :1). Ozone2). Nitrogen3). Oxygen4). Carbon dioxide |
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| 161. |
Which of the following is used in welding broken pieces of iron rails and machine parts?1). Aluminium sulphate2). Solder3). Aluminium powder4). None of the above |
| Answer» 3 OPTION is the WRITE ANSWER | |
| 162. |
The add used in lead storage cells is1). phosphoric acid2). hydrochloric acid3). nitric acid4). sulphuric acid |
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| 163. |
Milk is a colloidal system in which:1). Water is dispersed in fat2). Fat is dispersed in water3). Fat and water are dispersed in each other4). Fat is dissolved |
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| 164. |
When there are two electrons in the same orbital they have:1). same spin2). opposite spin3). same or opposite spin4). no spin |
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| 165. |
Solder is an alloy of1). lead zinc2). copper lead3). tin lead4). sodium lead |
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| 166. |
Milk tastes sour when it is left in open for some time.This happens due to the formation of1). Lactic acid2). Citric acid3). Acetic acid4). Carbonic acid |
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| 167. |
The National Chemical Laboratoly (India) is located in1). Mumbai2). Bangaluru3). Hyderabad4). Pune |
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| 168. |
White coal is1). Uranium2). Hydroelectricity3). Diamond4). Ice |
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| 169. |
Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes?1). Borax2). Saltpetre3). Hydrogen peroxide4). Sodium chloride |
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| 170. |
Which is the purest form of iron ?1). Steel2). Cast iron3). Pig iron4). Wrought iron |
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| 171. |
KMN04 can be used as a an1). insecticide2). fertiliser3). pesticide4). disinfectant |
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| 172. |
Polythene is polymer of1). Ethylene2). Propylene3). Acetylene4). Aniline |
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| 173. |
The chemical name of ratpoison is H1). zinc oxide2). potassium cyanide3). lead nitrate4). zinc phosphide |
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| 174. |
Which of the following elements is non radioactive ?1). Uranium2). Thorium3). Plutonium4). Zirconium |
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| 175. |
German silver is an alloy of1). copper nickel and silver2). silver copper and aluminium3). zinc copper and nickel4). zinc silver and copper |
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| 176. |
Silver halides are used in photographic plates because they are1). oxidised in air2). soluble in hyposolution3). reduced by light4). totally colourless |
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| 177. |
The gas which is mainly responsible for the greenhouse effect is:1). Ozone2). Oxygen3). Carbon dioxide4). Carbon monoxide |
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| 178. |
When cone H2S04 is added to dry KNO3 brown fumes are evolved. These fumes are due to1). S032). S023). N024). N2O |
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| 179. |
Bleaching action of moist sulphur dioxide is because of its1). basic property2). acidic property3). oxidising property4). reducing property |
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| 180. |
The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :1). Zinc plating2). Alloy formation3). Vulcanization4). Galvanization |
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| 181. |
The most commonly used chemicals in the artificial rainmaking or cloud seeding are1). Silver Iodide (AgI)2). Sodium Chloride (NaCl)3). Dry Ice (Frozen CO2)4). All of the above |
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| 182. |
Which one of the following is found in kidney stones?1). Sodium oxalate2). Calcium oxalate3). Sodium chloride4). Calcium acetate |
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| 183. |
Which of the following is used as a lubricant in heavy machines?1). Bauxite2). Sulphur3). Phosphorus4). Graphite |
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| 184. |
Milk Sugar is1). Lactose2). Maltose3). Galactose4). Sucrose |
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| 185. |
What is "milk of magnesia' chemically ?1). Magnesium carbonate2). Sodium bicarbonate3). Calcium hydroxide4). Magnesium hydroxide |
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| 186. |
Gobar gas basically contained1). Carbon dioxide2). Carbon monoxide3). Hydrogen sulphide4). Methane |
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| 187. |
Which metal is extracted from seawater?1). Potassium2). Magnesium3). Aluminium4). Beryllium |
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| 188. |
Which of the following is not a nucleon?1). Proton2). Neutron3). Electron4). Positron |
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| 189. |
Water is not effective in extinguishing a fire caused by petrol because1). die flame is too hot for water to cool it down2). water and petrol react chemically3). water and petrol are miscible with each other4). water and petrol are immiscible with each other and petrol which forms the upper layer continues to bum |
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| 190. |
Which gas is used as fire extinguisher?1). Carbon dioxide2). Carbon monoxide3). Carbon suboxide4). Sulphur dioxide |
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| 191. |
Among the fuels given below the one with highest calorific value is1). Coke2). Coal3). Wood4). Natural gas |
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| 192. |
( The gas used for filling weather balloons is1). helium2). hydrogen3). air4). nitrogen |
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| 193. |
The particle required to continue the chain process of Uranium fission is :1). Electron2). Proton3). Neutron4). Positron |
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| 194. |
Milk of Magnesia is a suspension of :1). magnesium sulphate2). magnesium carbonate3). magnesium hydroxide4). magnesium chloride |
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| 195. |
Ammonia is a mixture of1). aluminium powder and ammonium nitrate2). aluminium powder and ammonium chloride3). aluminium powder and ammonium sulphate4). aluminium powder and potassium nitrate |
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| 196. |
Cloud is a colloidal dispersion of1). Air in a dispersion medium of water2). Fog in a dispersion medium of water3). Mist in a dispersion medium of air4). Water drops in a dispersion medium of air |
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| 197. |
The iron ore which contains 72% of iron is :1). Magnetite2). Limonite3). Haematite4). Siderite |
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| 198. |
Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ?1). Methylene blue2). Methyl red3). Phenolphthaline4). Methyl orange |
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| 199. |
Which of the following fibres catches fire least ?1). Nylon2). Cotton3). Rayon4). Terricot |
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| 200. |
Which one of the following is a major greenhouse gas?1). Carbon dioxide2). Chloro fluorocarbon3). Carbon monoxide4). Freon |
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