Chemistry Most Important One Liner Question and Answer part-2

Chemistry Most Important One Liner Question and Answer part-2

 

• In heavy water- hydrogen is deuterium instead.
• Industrial production of polythene is done by polymerization – ethylene
• PVC in plastics industry What is the term used for - polyvinyl chloride
• How many isotopes of hydrogen are – three
• Which metal is used in electromagnets - soft iron
• Stainless steel is used to make metals - chromium and steel
• One gram atom of iron means - 8 atomic mass unit
• The reason for the difference in isotopes of an element is due to the difference in their number – neutron
• The name of the medicine given to prevent infectious diseases is - sulfathiazole.
• A substance that can be deformed forever by heat and pressure is called - Thermostat.
• Contact process involves the reaction of converting sulfur dioxide into sulfur trioxide – exothermic
• The largest component of atmospheric air is - nitrogen.
• Whose acetylation can heroin be made from- Morphine
• Fungicides are pesticides that kill or prevent - the growth of fungi and their spores.
• The oldest pesticide is - nicotine.
• The carbonic solvent resulting from distillation of wood is- acetone, methanol
• Chemically Insulin is – Peptide
• Processes that are used to make artificial enzymes - genetic engineering
• Aluminum percolate is used in - hybrid propellant
• Chemically water is - an oxide
• A commonly used alcohol to make a detergent is lauryl alcohol.
• Flint is in glass - lead chromate
• The term exclusion is related to the theory propounded by which scientist – Pauli
• This process is often adopted in the separation of hydrocarbons found in petroleum - efficient distillation
• Common bacterial ointment is the yellow solid material used in the bandage- iodoform
• Sodium is a binary compound of - sodium nitrate
• In the treatment of some specific types of antibiotic, which is called -Mitomycin, cancer is used.
• The reason for water being unusually high is that of hydrogen sulfide or hydrogen chloride - hydrogen bonding.
• The process of separating the components of a mixture using the boiling point of variation of the components of a mixture is called - distillation.
• The term 'copper demon' was used to denote which metallic element- 'Nickel'
• 'Aqua regia' is a mixture of- HCI and NHO3
• Chemicals used as simple disinfectants and as component of contraceptive are- paraformaldehyde.
• Coke production from bituminous coal is of the following process - Breaking distillation
• Insulin controls blood sugar levels
• Interferon inhibits kiss- virus
• Industrial production of important hormones somatostatin and somatotropin is done by- by Recombinant DNA technology
• Enzymes used in organic synthesis are mainly extracted from a microbial source.
• 'Which are the main components of the chosen stone mineral- calcium carbonate
• The pH of an acidic solution can be - 3
• Who is more likely to get cancer - oil-refinery, heavy water, X-rays, dyes and paints
• Photochemical smog is the product of smog - peroxyacetic nitrate, ozone.
• What is plentiful in 'Petron crop' plants - Hydrocarbons, Proteins
• The famous miracle drug for Kaiser, 'Texal' is extracted from which tree- U (yew)
• The long form of the periodic table as a function of which is based on element properties - atomic number
• Iron has a valency in ferric oxide - +3
• The atomic number of an element is the number of - Proton in the nucleus.
• Displays the properties of an element - atomic number
• In which the atomic weight of an element is expressed as- AMU.
• The first classification of elements was done - New Land
• Energy is emitted from the Sun - from nuclear fusion.
• The number of electrons in an atom of atomic number Z and mass number A is – Z
• Hydrogen has a tendency to get the configuration of helium by taking an electron, similar to this trend - from halogen
• Where is Vikram Sara Bhai Space Center – Thiruvananthapuram
• There are two elements in which the number of electrons is different but whose mass number is the same is called the - isobaric
• What are 30Si14, 31P15, 32S16 – Isotones
• Which isotope of uranium has the ability to continue the chain reaction occurring in a nuclear reactor- U-235
• The four chars in diamond are tethered to each other – tetrahedral
• Vulcanized rubber - synthetic rubber
• Which gas smells of eggs - H2S
• Which allotropes of carbon occur in a solid three-dimensional structure – Diamond
• 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.
• Which gas cover absorbs harmful ultraviolet radiation from the sun – ozone
• The amount of oxygen that can be obtained from 90 kg of water is 80 kg.
• Producer gas is used as a source of fuel and nitrogen. These gases are obtained - when steam is passed over the coke
• Which gases are used to make soda water - CO2
• Hydrogen gases are commonly prepared - Hydrogen gases are prepared by the reaction of pure zinc with dilute H2SO4.
• By reducing the temperature, all the gases will occupy zero volume - -2730C
• Under what conditions does the Bael rule apply - fixed temperature
• Which of the following is estimated by checking the pollution of motor cars at service stations - lead and carbon particles
• 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
• 1 mole is equal to - 6 x 2310
• The number of moles in 44.8 liters of CO2 on N.T.P is- 2
• The temperature of a gas increases during its pressure.
• Tube light are mainly filled with gas - mercury vapor and argon.
• Commonly used flame in gas welding are neutral, oxidized, carburetic
• How many electrons are in the outermost chamber of inert gas atoms – eight
• Which gas makes lime water white - CO2
• When an air-filled tire bursts, the air released will be cold.
• Carbon dioxide gas comes out of whose burning- diamond
• Due to the greenhouse effect, the warming of the Earth's atmosphere, which is due to- Infrared rays
• Who is widely used in unconsciousness- Chloroform
• Which gas is used to kill bacteria- Chlorine
• The most common element in all acids- hydrogen.
• Common gas equations are - PV = n RT
• The constituent gases of air are generally- Nitrogen and oxygen.
• Acid rain is mainly due to which gas- SO2
• Steam flow on red hot coke is obtained by burning water gas.
• What causes temporary hardness of water - calcium bicarbonate
• The temporary hardness of water can be corrected by using- Ca(OH)2
• The raw materials used in the salvage process for the manufacture of sodium carbonate include - ammonia and carbon dioxide
• Reaction of carbon monoxide to H2 at 3000C is made- Methane
• Plaster of Paris - 1/2H2O
• Aqua Regia is a mixture of- HCL and HNO3
• An element forms compounds containing the formula XCl3X2O5 and Ca3X2 , but does not form XCl5, which element may be X- N
• The basic principle used in the manufacture of a match is - phosphorus.
• Global warming conditions arise from the intensity of which gas in the atmosphere - hydrogen.
• Calcium carbide is formed by pouring water on – acetylene
• Aluminum Oxide - Neutral Oxide
• What is the process of corrosion of a metal when it comes in contact with any chemical and oxygen- oxidation
• Alkaline water decomposition of oils and fats gives soap and glycerol