Here are 100+ Basic Gk about Chemistry
Q.1 What is the study of hydrocarbons and their derivatives called?
Answer: Organic chemistry
Q.2 Which compound responsible for the smell of garlic?
Answer: Allicin
Q.3 What is the chemical name for urea?
Answer: Carbamide
Q.4 What is the process of turning a solid into gas called?
Answer: Sublimation
Q.5 What is the chemical name for Vitamin C?
Answer: Ascorbic acid
Q.6 What is the scientific study of crystals called?
Answer: Crystallography
Q.7 Which element is used in making batteries?
Answer: Lithium
Q.8 What is the study of matter and its interactions called?
Answer: Chemistry
Q.9 The process of depositing a thin layer of metal on a surface called?
Answer: Electroplating
Q.10 The process of converting a gas into a liquid called?
Answer: Condensation
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30+ Gk Question and Answer about Chemistry
Q.11 What is the purpose of adding baking soda to dough?
Answer: To create carbon dioxide
Q.12 Which acid is chief constituent of vinegar?
Answer: Acetic Acid
Q.13 Commercial Vaseline is derived from which material?
Answer: Petroleum
Q.14 Which colour is imparted to the Bunsen flame by strontium salt?
Answer: Crimson Red
Q.15 Which particle is most essential to continue the chain reaction during the fission of uranium?
Answer: Neutron
Q.16 Which element is used in the manufacture of safety matches?
Answer: Red Phosphorous
Q.17 What is the main source of Naphthalene?
Answer: Coal-tar
Q.18 Which material is used in solar cells?
Answer: Silicon
Q.19 Quartz is a crystalline form of which material?
Answer: Silica
Q.20 During vulcanisation process, rubber are hardened by adding which material?
Answer: Sulphur
Q.21 Sea weeds are important source of what?
Answer: Iodine
Q.22 Which gas is used to manufacture vanaspati from vegetable oil?
Answer: Hydrogen (H)
Q.23 What is the pH of a neutral solution?
Answer: 7
Q.24 Which noble gas is used in radiotherapy?
Answer: Radon
Q.25 Who is known as the father of atomic bomb?
Answer: Robert Oppenheimer
Q.26 Soap is prepared by boiling caustic soda and?
Answer: Animal Fats
Q.27 Which gas is used for artificially ripening of green fruit?
Answer: Ethylene Gas
Q.28 What is the freezing point of fresh water?
Answer: 0oCelsius
Q.29 Which elements replaced eka-Aluminium in Mendeleev’s Periodic Table?
Answer: Gallium (Ga)
Q.30 Which is the most reactive element among the halogens group?
Answer: Fluorine (F)
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50 Gk MCQs about Periodic Table
Q.31 What material is used to make electric heater coil?
Answer: Nichrome
Q.32 Which chemicals is commonly used for cloud seeding or artificial rainmaking’?
Answer: Silver Iodide (Agl)
Q.33 Which material is used for making bullet-proof jacket?
Answer: Kevlar
Q.34 Which fuel is used in modern submarines?
Answer: Diesel Fuel
Q.35 Which gas was released during Bhopal tragedy?
Answer: Methyl Isothiocyanate (MIC)
Q.36 Hydrogen was discovered by whom?
Answer: Henry Cavendish, 1766
Q.37 White phosphorus is always kept under what?
Answer: Water
Q.38 What is the chemical name of ‘Common salt’?
Answer: Sodium Chloride (NaCl)
Q.39 Polythene is a polymer of what?
Answer: Ethylene
Q.40 Who said that the most of the mass of atom is located in nucleus?
Answer: Ernest Rutherford, 1911
Q.41 Which is the natural source of hydro-carbon?
Answer: Crude Oil
Q.42 Which gas is present in LPG (Liquefied Petroleum Gas)?
Answer: Butane
Q.43 Which metals is used to galvanise iron?
Answer: Zinc (Zn)
Q.44 Which acid is used in rubber, textile, and leather industries?
Answer: Methanoic Acid
Q.45 The study of Fossils is known as?
Answer: Paleontology
Q.46 Which substance readily forms colloidal solution in contact with water?
Answer: Hydrophilic Colloid
Q.47 Which is the most abundant inert gas present in the atmosphere?
Answer: Argon (Ar)
Q.48 When Carbon reacts with metal is form what?
Answer: Carbide
Q.49 Which energy use in solar cookers and solar power plants?
Answer: Solar Energy
Q.50 Which acid is present in red ant?
Answer: Formic Acid
Q.51 Which metal is extracted from Bauxite?
Answer: Aluminium
Q.52 Which element has the highest electrical conductivity?
Answer: Silver
Q.53 What is the lightest element in the periodic table?
Answer: Hydrogen (H)
Q.54 Which is the purest form of water?
Answer: Rain Water
Q.55 Which metal is extracted from sea water?
Answer: Magnesium (Mg)
Q.56 The term brown air’ is used for which chemical?
Answer: Photochemical Smog
Q.57 What is used to denature ethanol?
Answer: Methyl Alcohol
Q58 What is the main component of liquid bleach?
Answer: Sodium Hypochlorite
Q.59 What is the number of hydrogen atoms in a molecule of calcium bicarbonate?
Answer: 2
Q.60 Baking soda solution gives green colour with which indicator?
Answer: China Rose
Q.61 Calcium sulphate dihydrate is commonly known as?
Answer: Gypsum
Q.62 Which chemical is also known as Epsom salt?
Answer: Magnesium Sulphate
Q.63 What is property of the two ends of soap molecules?
Answer: One end is hydrophilic whereas the other end is hydrophobic.
Q.64 What is the common name of sodium bicarbonate?
Answer: Baking Soda
Q.65 What is the common name of Calcium Hypochlorite?
Answer: Bleaching Powder
Q.66 Aspirin is common name of which acid?
Answer: Acetylsalicylic Acid
Q.67 The tear gas which is used by the police to disperse the mob contain which chemical?
Answer: Chlorine
Q.68 What is the chemical name of ‘Plaster of Paris’ which is used for setting broken bones?
Answer: Calcium sulphate
Q.69 What is the chemical name of Washing soda?
Answer: Sodium Carbonate
Q.70 What is the chemical formula of Quick lime (solid)?
Answer: CaO
Q.71 What is the molecular formula of common salt (Sodium Chloride)?
Answer: NaCl
Q.72 Which chemical substance is present in bones and teeth?
Answer: Calcium phosphate
Q.73 Which gas is used in the welding and cutting of metals?
Answer: Acetylene Gas
Q.74 Which Aluminum salt is commonly used to stop bleeding?
Answer: Potash Alum
Q.75 The wire of flash bulb is made of which metal?
Answer: Magnesium (Mg)
Q.76 Which charcoal is used to decolorize brown sugar solution?
Answer: Animal charcoal
Q.77 When Copper substances exposed to air it gains a green coating due to the formation of?
Answer: Copper Carbonate CuCO3 Cu (OH)2
Q.78 Litmus paper is obtained from?
Answer: Lichens
Q.79 Which elements is found in maximum percentage in the human body?
Answer: Oxygen (O)
Q.80 Which element has the highest melting point?
Answer: Tungsten (W)
Q.81 The detergents used for cleaning clothes and utensils contain what?
Answer: Sulphonates
Q.82 Radioactive disintegration of uranium ultimately results in formation of?
Answer: Lead
Q.83 Non-metallic oxides are ______ in nature?
Answer: Acidic
Q.84 Helium gas is used in gas balloons instead of hydrogen gas because?
Answer: It is non-flammable
Q.85 Which type of glass is used for making glass reinforced plastic?
Answer: Aluminosilicate glass
Q.86 Who discovered Polonium?
Answer: Marie Curie and Pierre Curie
Q.87 Which hormone is called emergency hormone?
Answer: Adrenaline
Q.88 The colour discharge tubes for advertisement mainly contain which gas?
Answer: Neon (Ne)
Q.89 Muscle fatigue is caused by the accumulation of which acid?
Answer: Lactic Acid
Q.90 Which type of coal contains a higher percentage of carbon?
Answer: Anthracite
Q.91 What is the chemical name of ‘Milk of Magnesia’?
Answer: Magnesium hydroxide, Mg (OH)2
Q.92 Which acid is used in lead storage cells?
Answer: Sulphuric Acid
Q.93 Milk tastes sour when kept in the open due to the formation of which acid?
Answer: Lactic Acid
Q.94 In which process acids and bases react to form salts and water?
Answer: Neutralization
Q.95 Which gas usually causing explosions in coal mines?
Answer: Methane Gas, (CH4)
Q.96 Which is the purest form of iron?
Answer: Wrought Iron
Q.97 Which gas is used for filling weather balloons?
Answer: Helium (He)
Q.98 Which gas makes bread or cake rise making them soft and spongy?
Answer: Carbon dioxide (CO2)
Q.99 Candle is a mixture of what?
Answer: Paraffin wax and Stearic acid
Q.100 Oxygen which is important for life is a product of photosynthesis and comes from?
Answer: Water
Q.101 What is the chemical formula for nitric acid?
Answer: HNO₃
Q.102 What is the main element in the alloy bronze?
Answer: Copper and tin
Q.103 Which gas is used for filling electric bulbs?
Answer: Argon (Ar)
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