100+ Basic Gk about Chemistry

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: 0^oCelsius

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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