Chemistry: Most Important One Liner Question and Answer part- 7

Chemistry Most Important One Liner Question and Answer part- 7

 

• A molecule is a smallest part of matter which possesses all properties of original matter. A molecule is electrically – neutral
• A neutron, an electron, a proton and an alpha particle are moving with - same kinetic energy.
• Whenever an alkali metal such as Lithium or Sodium reacts with water, which among the following gas is produced –Hydrogen
• Which among the following are used as components to produce Nitrolim, a widely used fertilizer in past - Calcium Carbide and Nitrogen
• The aqueous solution of which among the following acids is called Vinegar? -Acetic acid
• Which among the following is the correct decreasing of bioelements in Human Body? -oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus
• Which among the following happens in an oxidation reaction ? -Electrons are los
• Identify the thermosetting plastic from the given options: -Bakelite
• White Phosphorous is represented by which among the following symbols? -P4
• Which among the following is correct full form of DDT? -Dichloro-diphenyl-trichloroethane
• Urea is an - organic fertilizer
• Rayon is an example of - semi-synthetic fiber
• Sodium Alkyl Sulphate and Benzene Sulphate are examples of -Synthetic Detergents
• Which of the following group characterizes alcohols -OH group
• Which among the following is not a use of Graphite -Glass cutting
• Water at 4 degree centigrade has - maximum density
• To keep the hot glass item’s finishing and transparency, they go through a process called annealing. This process involves -cooled slowly and uniformly under controlled environment
• Bleaching Powder is a compound of – Calcium
• Graphite, Carbon and Diamonds are – Allotropes
• Calamine lotion which is used as an antipruritic (anti-itching agent) to treat mild pruritic conditions contains which of the following? –Zinc
• In which of the following Mercury is a constituent? –Cinnabar
• Adsorption is used commonly in which of the following processes? –Chromatography
• Which among the following is a Accelerator of charged atomic particles correct definition of Cyclotron -Accelerator of charged atomic particles
• The Chemical formula of Graphite is – C
• Which among the following is true about solubility of “Lipids” -They are insoluble in water but soluble in organic solvents
• Calcium Magnesium Silicate is commonly called as –Asbestos
• Phenolphthalein is used in chemistry as a -Dye
• Reserpine is an example of which kind of drug –Tranquillizer
• Cobalt oxide is used to impart which color to glass –Blue
• Froth & Foams are examples of -gas suspended in liquid
• Which among the following is most electronegative element – Fluorine
• What is the main use of Bisphenol A drug -A chemical compound which is used in plastics used for food packaging
• Which among the following is not a constituent of gobar gas –Propane
• Which among the following is incorrect regarding the chemical nature of Diamond & Graphite - Both Diamond and Graphite are good conductors of electricity
• Galvanizing is a metallurgical process that is used to coat steel or iron with which of the following –Zinc
• Which among the following is Quick Silver –Mercury
• The primary part of Liquefied Petroleum Gas LPG is -Butane or Propane
• Which among the following explains the radiation emitted by black bodies? -Quantum Theory
• Mustard gas which is a cytotoxic, vesicant chemical warfare agent with the ability to form large blisters on exposed skin contains which of the follow – Sulphur
• Oxidation takes place at – Anode
• Reduction Takes place at - Cathode
• The atomic weight of Chlorine is 35. It consists of -17 Protons + 18 Neutrons
• When we buy a Jewellery of 22 carat Gold, this means that we are getting a purity of gold with -67%
• A Jewellery was left exposed to the atmosphere for some time and it becomes coated with green carbonate. The Jewellery is made up of which of the fol –Copper
• The process of purifying water by spraying water on to a bed of stones where microorganism live so that the microorganisms feed on the pathogens in wa -biofilter method
• As per Avogadro’s hypothesis, equal volumes of different gases at the same temperature and pressure contain equal number of –Molecules
• Duralumin which is used in making aero planes is an alloy consisting of -Aluminium, Copper, Manganese & Magnesium
• Which among the following was the first artificially produced element? –Technetium
• Froth & Foams are examples of which of the following -gas suspended in liquid
• What is the atomic number of Transuranic elements? -Greater than 92
• A Cyclotron is -A particle Accelerator
• Steel is an alloy consisting mostly of iron, with a carbon content between 0.2% and 2.1% by weight. An increasing amount of Iron will result in which -Increase Hardening
• Cassiterite is an ore of which of the following –Tin
• Which of the following are found in nucleus of Deuterium -1 proton & 1 neutron
• Which among the following provides the centripetal force to an electron circulating around the nucleus - electrostatic force of attraction
• Which among the following of a catalyst does not change at the end of a reaction? -Both Quantity and Chemical com position
• The noble gases are a group of chemical elements with very similar properties: under standard conditions, they are all odourless, colourless, monatomic -6
• Hard Water contains which of the following – Calcium
• Which among the following is an ionic solid -Table salt
• Which among the following basic atoms are must in an Alkaloid –Nitrogen
• F block elements in the periodic table which are commonly called Lanthanides have the following atomic numbers - 58-71
• The volume of a gas at a given pressure and temperature is proportional to the number of atoms or molecules regardless of the nature of the gas - Avogadro’s law
• Who among the following is known to manufacture first Cyclotron - Ernest Lawrence
• British Scientist JJ Thomson was awarded Nobel prize in Physics in 1906 for discovery of which of the following particle –Electron
• Charles Goodyear is known for which of the following -Vulcanization of Rubber
• Which among the following gas is used in Balloons –Helium
• Which among the following is the most important characteristic of Noble metals? -Non reactive nature
• Which among the following is correct regarding the alkaline battery - Negative terminal made of Zinc Powder and Positive terminal made of Manganese dioxide & electrolyte is KOH
• The chemical oxygen demand COD test is commonly used to measure which of the following - amount of organic compounds in water
• Which among the following is an organic mineral –Amber
• Liming is the application of calcium and magnesium rich materials to soil in various forms, including - marle, chalk, limestone, or hydrated lime
• Who among the following established that genetic code of all organisms is spelled out in three-letter words, each set of three nucleotides codes for a -Hargobind Khorana
• Which among the following is a main component of some alert tablets such as Alert, No Doz, Stay Awake & Vivarin? –Caffeine
• Which among the following compound of barium is used as radio contrast agent for X-ray imaging and other diagnostic procedures and also commonly called -Barium Sulphate
• Which among the following is used as an antidote? -Activated Charcoal
• Which among the following will undergo a chemical reaction depending on the pH of the solution -Zinc Oxide
• Which among the following can be used as a preservative in Tomato Juice -Sodium benzoate
• Which among the following gas has lowest auto-ignition temperature -Carbon Di Sulphide
• Which among the following is the most stable form of carbon under standard conditions –Graphite
• Both Melting point & Boiling Point of Heavy water are - lower than normal water
• Which among the following gives hissing sound when dissolved into H2O –CaO
• What is the number of naturally occurring Halogens in the periodic table - 5
• Which among the following is the lowest atomic number element without any stable isotopes –Technetium
• Which among the following is the main constituent of malleable metal alloy Pewter –Tin
• How many parts are of other metals in a 17 carat Gold - 7
• Which among the following does not come under carbon Group of Periodic Table? –selenium
• Kimberley Process” is related to –Diamonds
• Which among the following protein is responsible for maintenance of osmotic pressure –albumin
• Pearl is mainly made up of which among the following -Calcium Carbonate
• As we all know that, Gunpowder is a mixture of sulfur, charcoal, and potassium nitrate. Which among these components adds in speeding up the burning o -Only Sulphur
• Normal” rainfall is slightly acidic (and a pH of 5.6 has been assigned which might be somewhere near 5) because of the presence of - Carbonic Acid
• Bring out the incorrect usage -Methyl Alcohol – Beverage
• What is Carbamide -A Fertilizer
• Which among the following is the main constituent of vegetable oil and animal fats –Triglyceride
• What is the number of known crystalline phases of water -18
• When a piece of quicklime is dipped in water, it gives bubbles. This bubbling is due to - Water Vapour
• Which among the following acid is used to ascertain, whether pure Ghee has been adulterated with Vanaspati or Margarine -Hydrochloric Acid
• Mizoroki-Heck reaction is catalysed by –Palladium
• Which among the following is used in preparing windows for X-Ray Tubes –Beryllium
• Which among the following first increases than decreases in a Period of a periodic table –Valency