Chemistry: Most Important One Liner Question and Answer part-6

Chemistry: Most Important One Liner Question and Answer part-6

 

• Which gas is used in fire extinguisher – Carbon dioxide
• Milk openly placed for some time becomes sour due to – Lactic Acid
• The gas used for artificial fruit ripening of green fruit is – Acetylene
• Detergent clean surfaces on the principle of – Surface Tension
• Alkali metals are in a group – IA
• The elements in group zero are called – Inert gas
• The horizontal line in modern periodic table is called – Period
• The vertical lines in modern periodic table are called – Group
• The pH value of milk is – 6.6
• The purest form of water in nature is – Rain Water
• Elements of d-block are called – Transition element
• The chemical name of Quartz is? - Sodium Silicate
• Dry Ice is - Solid carbon dioxide
• Stainless steel is an alloy of - Iron, chromium and nickel
• The second lightest of all gases is - helium
• Alpha particles are - just like helium nuclei
• What is the chemical name of baking soda – Sodium bicarbonate
• Galena is a mineral of - lead
• Ozone consists of - oxygen only
• The major component in the LPG is – butane & propane
• The antibiotic penicillin is obtained from - virus infected cells
• What is indicated by the colour of a star – temperature
• Atomic number of an atom gives the number of – electrons
• The highest quality of hard coal - Anthracite
• During fermentation of sugar, the compound which is always formed is - Ethyl Alcohol
• At room temperature, the metal that remains liquid is - Mercury
• Which is known as carbolic acid – Phenol
• Atomic explosion is triggered by - uncontrolled chain reaction
• Ilmenite is an ore/mineral of – Titanium
• Which element has the lowest melting point – Oxygen
• What is contained in Chlorophyll – Magnesium
• Name the gas used in preparation of bleaching power – Chlorine
• Inert gases are - Chemically unreactive
• Which is a good electrical conductor – Graphite
• Mercury is a – Liquid metal
• Helium gas is filled in the balloon instead of Hydrogen because its - Non-Combustible
• White Phosphorous is placed under the - Cold water
• The maximum density of water is at – 4-degree Celsius
• Commonly sodium is kept under the - Kerosene oil
• of unpaired election in inert gas is – 0
• Which of the following is second most abundant element on the surface of sun beside Hydrogen – Helium
• Which among the following is white phosphorus – P4
• Alkali metal can - Easily lose electron
• Who discovered Nitrogen – Rutherford
• Why metals conduct electricity -Because of free electron
• Who discovered oxygen - Carl Scheele
• Filament of electric bulb is made of –Tungsten
• Which metal is protected by the layer of its own oxide – Silver
• Which disease is caused due to presence of excess arsenic in water? - Skin cancer
• Smog is a combination of - smoke and fog
• Trimethyl xanthine is a chemical name of a stimulant which is found in tea and coffee. What is the popular name? – Caffeine
• The popular drug “Acetylsalicylic Acid” is commonly known by which among the following names? – Aspirin
• What are the main constituents of LPG? -Methane, Butane, Propane
• Which among the following is known as White Vitriol? -Zinc Sulphate
• Which among the following is known as Quick Lime - CaO
• In which among the following forms, Nitrogen is present in Urea? –Amide
• “Oil of mirbane” is the most common name of which among the following? –Nitrobenzene
• Which among the following substances is most suitable for making Compact Discs? –Polycarbonates
• What is the common name of analgesic and antipyretic drug acetylsalicylic acid –Aspirin
• Bring out the only correct statement in context with Uranium -Only U-235 is fissile and can sustain chain reaction but U-238 is fertile
• Which among the following is a common salt in Detergents? –Sulphate
• Potassium permanganate is used to purify water. Which among the following properties of Potassium permanganate helps in this work? -oxidizing
• What happens to the weight of Iron, when it rusts? –Hydrogen
• A cotton wick dipped in pure honey when ignited with a matchstick will -Burn Consistently
• The easily noticed smell of the LPG gas is because of which among the following –Ethanethiol
• Which compound of mercury is used as antiseptic -Mercuric chloride
• Speed of sound is maximum in which among the following –Solids
• Which among the following metal is highest electrical conductivity as well as highest thermal conductivity –Silver
• Calamine is an ore of which among the following –Zinc
• The free electrons are in the -Outermost orbit of the metals
• Which of the following type of Coal, has maximum carbon content –Anthracite
• Which of the following type of Coal, has maximum carbon content -Plaster of paris
• Which among following is also known as white gold –Palladium
• Which acid is described as HOOCCOOH - Oxalic Acid
• Carnotite is a mineral of which among the following metals –Uranium
• PVC is a polymer of -Vinyl chloride
• When Sulphur is heated with rubber, the process is commonly known as –Vulcanization
• Which among the following chemicals is used in Photograph - Silver Bromide
• Which among the following is major component of Gobar Gas –Metahne
• Which among the following would cause the bright red colur due to bursting of crackers? –Strontium
• Who among the following scientists had discovered Radium -Marie Curie and Pierre Curie
• Who among the following had given the Atomic Theory -John Dalton
• Which among the following oxides cause the Acid rain -Nitrous oxide and sulphur dioxide
• Which among the following element is an essential constituent of acids –Hydrogen
• Highest percentage of nitrogen is found in which among the following fertilizers among the given options –Urea
• Which among the following is popularly called Hypo -Sodium thiosulphate
• Which among the following is a Noble Gas –Helium
• Which of the following is an anti-knocking compound that has been phased out in many countries so far -Tetra Ethyl Lead
• Which among the following is the main constituent of Biogas –Methane
• Which among the following is called Laughing Gas popularly - Nitrous oxide
• Identify the non-metallic mineral from the given options - Silica
• Which among the following are constituents of Brass -Zinc and Copper
• Which among the following acids is abundant in Grapes, Bananas and Tamarind -Tartaric Acid
• Which among the following gas was leaked at Bhopal during the Bhopal gas tragedy at 2-3 December 1984 -Methyl isocyanate
• In the manufacture of Vanaspati ghee from vegetable oils, which among the following gas is used H2
• When a tube light breaks, a cracking sound is produced because Pressure inside the lamp is less than atmospheric pressure
• Which among the following is the objective of the Methyl tert-butyl ether (MTBE) mixing with Petroleum - Raise Octane Number
• The most important contributor of sea salt is - Rivers
• Which among the following elements are generally find in free state -Group 11 elements
• Galena & Litharge are ores of which of the following metals – Lead