McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: General Knowledge (GK) , Union Public Service Commission (UPSC) , Indian Administrative Service (IAS) , Staff Selection Commission (SSC) .
Chapters
| 301. |
Calamine lotion which is used as an antipruritic (anti-itching agent) to treat mild pruritic conditions contains which of the following? |
| A. | Zinc |
| B. | Calcium |
| C. | Magnesium |
| D. | Sodium |
| Answer» A. Zinc | |
| 302. |
In which of the following Mercury is a constituent? |
| A. | Cinnabar |
| B. | Chile saltpeter |
| C. | Calamine |
| D. | Gold |
| Answer» A. Cinnabar | |
| 303. |
Adsorption is used commonly in which of the following processes? |
| A. | Purification of solids |
| B. | Purification of liquids |
| C. | Making scrubbers |
| D. | Chromatography |
| Answer» D. Chromatography | |
| 304. |
Which among the following is a correct definition of Cyclotron? |
| A. | Accelerator of charged atomic particles |
| B. | Device for detection of High Energy atomic radiation |
| C. | Device for storing electric charge |
| D. | Device for storing heat |
| Answer» A. Accelerator of charged atomic particles | |
| 305. |
The Chemical formula of Graphite is _________? |
| A. | C |
| B. | C2 |
| C. | C4 |
| D. | C6 |
| Answer» A. C | |
| 306. |
Which among the following is true about solubility of ―Lipids‖? |
| A. | They are soluble in water but insoluble in organic solvents |
| B. | They are insoluble in water but soluble in organic solvents |
| C. | They are soluble in water as well as organic solvents |
| D. | They are insoluble in water as well as organic solvents |
| Answer» B. They are insoluble in water but soluble in organic solvents | |
| 307. |
Calcium Magnesium Silicate is commonly called as ________? |
| A. | Asbestos |
| B. | Borax |
| C. | Baking Soda |
| D. | Washing Soda |
| Answer» A. Asbestos | |
| 308. |
Phenolphthalein is used in chemistry as a ______? |
| A. | Solvent |
| B. | Dye |
| C. | Catalyst |
| D. | Detergent |
| Answer» B. Dye | |
| 309. |
Reserpine is an example of which kind of drug? |
| A. | Narcotic |
| B. | Anti-histamine |
| C. | Tranquillizer |
| D. | None |
| Answer» C. Tranquillizer | |
| 310. |
Cobalt oxide is used to impart which color to glass? |
| A. | Brown |
| B. | Blue |
| C. | Red |
| D. | Yellow |
| Answer» B. Blue | |
| 311. |
Which among the following is correct full form of DDT? |
| A. | Dichloro-diethyl-trifluoromethane |
| B. | Dichloro-diphenyl-trichloroethane |
| C. | Dichloro-diphenyl-trichloromethane |
| D. | Dipheneyl-dichloro-trichloromethane |
| Answer» B. Dichloro-diphenyl-trichloroethane | |
| 312. |
Which among the following sentences is true? |
| A. | Ammophos is an organic fertilizer while Urea is an inorganic fertilizer |
| B. | Ammophos is an inorganic fertilizer while Urea is an organic fertilizer |
| C. | Both of them are organic fertilizers |
| D. | Both of them are inorganic fertilizers |
| Answer» B. Ammophos is an inorganic fertilizer while Urea is an organic fertilizer | |
| 313. |
Rayon is an example of _______? |
| A. | a synthetic fiber |
| B. | a natural fiber |
| C. | semi-synthetic fiber |
| D. | Synthetic Detergent |
| Answer» C. semi-synthetic fiber | |
| 314. |
Sodium Alkyl Sulphate and Benzene Sulphate are examples of ________ |
| A. | Explosives |
| B. | Insecticides |
| C. | Fungicides |
| D. | Synthetic Detergents |
| Answer» D. Synthetic Detergents | |
| 315. |
Which of the following group characterizes alcohols? |
| A. | OH group |
| B. | COOH group |
| C. | COO group |
| D. | CO group |
| Answer» A. OH group | |
| 316. |
Which among the following is not a use of Graphite? |
| A. | making of electrodes |
| B. | lubricant |
| C. | manufacturing of crucibles, |
| D. | Glass cutting |
| Answer» D. Glass cutting | |
| 317. |
Water at 4 degree centigrade has____? |
| A. | minimum density |
| B. | maximum density |
| C. | No density |
| D. | None of the above |
| Answer» B. maximum density | |
| 318. |
To keep the hot glass item‘s finishing and transparency , they go through a process called annealing. This process involves _______? |
| A. | cooled rapidly |
| B. | cooled very slowly |
| C. | cooled slowly and uniformly under controlled environment |
| D. | heating rapidly |
| Answer» C. cooled slowly and uniformly under controlled environment | |
| 319. |
Bleaching Powder is a compound of _______? |
| A. | Calcium |
| B. | Sodium |
| C. | Magnesium |
| D. | Sulphur |
| Answer» A. Calcium | |
| 320. |
Graphite, Carbon and Diamonds are _________? |
| A. | Isotopes |
| B. | Isomers |
| C. | Isotones |
| D. | Allotropes |
| Answer» D. Allotropes | |
| 321. |
Galena & Litharge are ores of which of the following metals? |
| A. | Mercury |
| B. | Zinc |
| C. | Copper |
| D. | Lead |
| Answer» D. Lead | |
| 322. |
A molecule is a smallest part of matter which possesses all properties of original matter. A molecule is electrically _________? |
| A. | Positve |
| B. | Negative |
| C. | either positive or negative |
| D. | neutral |
| Answer» D. neutral | |
| 323. |
A neutron , an electron, a proton and an alpha particle are moving with the same kinetic energy. Which of the following is correct order of their speeds? |
| A. | Alpha Particle, Neutron, Proton, Electron |
| B. | Electron, Proton , Neutron, Alpha Particle |
| C. | Alpha Particle, Proton, Neutron, Electron |
| D. | Neutron, Proton, Alpha Particle, Electron |
| Answer» A. Alpha Particle, Neutron, Proton, Electron | |
| 324. |
Whenever an alkali metal such as Lithium or Sodium reacts with water , which among the following gas is produced? |
| A. | Oxygen |
| B. | Hydrogen |
| C. | Ozone |
| D. | Carbondioxide |
| Answer» B. Hydrogen | |
| 325. |
Which among the following are used as components to produce Nitrolim, a widely used fertilizer in past? |
| A. | Nitrogen & Limestone |
| B. | Calcium Carbide and Nitrogen |
| C. | Calcium Carbide & Carbon |
| D. | Calcium Carbide and Limestone |
| Answer» B. Calcium Carbide and Nitrogen | |
| 326. |
The aqueous solution of which among the following acids is called Vinegar? |
| A. | Oxalic acid |
| B. | Citric acid |
| C. | Acetic acid |
| D. | Hydrochloric acid |
| Answer» C. Acetic acid | |
| 327. |
Which among the following is the correct decreasing of bioelements in Human Body? |
| A. | oxygen, hydrogen, Carbon, nitrogen, calcium, and phosphorus |
| B. | oxygen, carbon, nitrogen, hydrogen, calcium, and phosphorus |
| C. | oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus |
| D. | carbon, oxygen, hydrogen, nitrogen, calcium, and phosphorus |
| Answer» C. oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus | |
| 328. |
Which among the following happens in an oxidation reaction ? |
| A. | Electrons are gained |
| B. | Electrons are lost |
| C. | Protons are gained |
| D. | Protons are lost |
| Answer» B. Electrons are lost | |
| 329. |
Identify the thermosetting plastic from the given options: |
| A. | Polythene |
| B. | Bakelite |
| C. | PVC |
| D. | Casseine |
| Answer» B. Bakelite | |
| 330. |
White Phosphorous is represented by which among the following symbols? |
| A. | P1 |
| B. | P2 |
| C. | P3 |
| D. | P4 |
| Answer» D. P4 | |
| 331. |
Which among the following is called Laughing Gas popularly? |
| A. | Nitric oxide |
| B. | Nitrous oxide |
| C. | Nitrogen penta oxide |
| D. | Nitrogen |
| Answer» B. Nitrous oxide | |
| 332. |
Identify the non-metallic mineral from the given options: |
| A. | Manganese |
| B. | Magnesium |
| C. | Silica |
| D. | Bauxite |
| Answer» C. Silica | |
| 333. |
Which among the following are constituents of Brass? |
| A. | Zinc and Copper |
| B. | Iron and Zinc |
| C. | Copper and Nickel |
| D. | Iron and Copper |
| Answer» A. Zinc and Copper | |
| 334. |
Which among the following acids is abundant in Grapes, Bananas and Tamarind? |
| A. | Lactic Acid |
| B. | Oxalic Acid |
| C. | Salicylic Acid |
| D. | Tartaric Acid |
| Answer» D. Tartaric Acid | |
| 335. |
Which among the following gas was leaked at Bhopal during the Bhopal gas tragedy at 2- 3 December 1984? |
| A. | Methyl isocyanide |
| B. | Methyl isocyanate |
| C. | methyl isochloride |
| D. | methyl isochlorate |
| Answer» B. Methyl isocyanate | |
| 336. |
In the manufacture of Vanaspati ghee from vegetable oils, which among the following gas is used? |
| A. | N2 |
| B. | CO2 |
| C. | H2 |
| D. | Ne |
| Answer» C. H2 | |
| 337. |
When a tubelight breaks, a cracking sound is produced because ____? |
| A. | Pressure inside the lamp is less than atmospheric pressure |
| B. | Pressure inside the lamp is more than atmospheric pressure |
| C. | The lamp is filled with reactive gases |
| D. | The lamp is filled with mercury vapour |
| Answer» A. Pressure inside the lamp is less than atmospheric pressure | |
| 338. |
Which among the following is the objective of the Methyl tert-butyl ether (MTBE) mixing with Petroleum? |
| A. | Raise Octane Number |
| B. | Antioxidant Stabilizer |
| C. | Lead Scavanger |
| D. | Fuel Dye |
| Answer» A. Raise Octane Number | |
| 339. |
The most important contributor of sea salt is ____? |
| A. | Rivers |
| B. | Salty Rocks at bottom of sea |
| C. | Aquatic animals in Sea |
| D. | Atmosphere around sea |
| Answer» A. Rivers | |
| 340. |
Which among the following elements are generally find in free state? |
| A. | Group 11 elements |
| B. | Group 12 elements |
| C. | Group 13 elements |
| D. | Group 14 elements |
| Answer» A. Group 11 elements | |
| 341. |
Which among the following would cause the bright red colur due to bursting of crackers? |
| A. | Strontium |
| B. | Sodium |
| C. | Suphur |
| D. | Magnesium |
| Answer» A. Strontium | |
| 342. |
Who among the following scientists had discovered Radium? |
| A. | Marie Sklodowska-Curie and Pierre Curie |
| B. | André-Louis Debierne |
| C. | Kasimir Fajans |
| D. | Oswald Helmuth Göhring |
| Answer» A. Marie Sklodowska-Curie and Pierre Curie | |
| 343. |
Who among the following had given the Atomic Theory? |
| A. | Benzamin Franklin |
| B. | Madam curie |
| C. | Albert Einstien |
| D. | John Dalton |
| Answer» D. John Dalton | |
| 344. |
Which among the following oxides cause the Acid rain ? |
| A. | Carbon monoxide and carbon dioxide |
| B. | Nitrous oxide and sulphur dioxide |
| C. | Carbon dioxide and nitrous oxide |
| D. | Sulphur dioxide and carbon monoxide |
| Answer» B. Nitrous oxide and sulphur dioxide | |
| 345. |
Which among the following element is an essential constituent of acids? |
| A. | Nitrogen |
| B. | Hydrogen |
| C. | Helium |
| D. | Oxygen |
| Answer» B. Hydrogen | |
| 346. |
Highest percentage of nitrogen is found in which among the following fertilizers among the given options? |
| A. | Calcium ammonium nitrate |
| B. | Ammonium nitrate |
| C. | Calcium nitrate |
| D. | Urea |
| Answer» D. Urea | |
| 347. |
Which among the following is popularly called Hypo? |
| A. | Silver bromide |
| B. | Silver nitrate |
| C. | Sodium thiosulphate |
| D. | Sodium phosphate |
| Answer» C. Sodium thiosulphate | |
| 348. |
Which among the following is a Noble Gas? |
| A. | Nitrogen |
| B. | Hydrogen |
| C. | Oxygen |
| D. | Helium |
| Answer» D. Helium | |
| 349. |
Which of the following is an anti-knocking compound that has been phased out in many countries so far? |
| A. | Lead tetrachloride |
| B. | Tetra Ethyl Lead |
| C. | Ethyl acetate |
| D. | None of the above |
| Answer» B. Tetra Ethyl Lead | |
| 350. |
Which among the following is the main constituent of Biogas? |
| A. | Methane |
| B. | Ethane |
| C. | Propane |
| D. | Butane |
| Answer» A. Methane | |
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