Science is the study of the world around us, from the smallest particles to the largest galaxies. It is a fascinating subject that can help us understand how the universe works. If you’re looking to test your knowledge of science or just want to learn some interesting facts, here are the top 50 one-liner science questions that cover various fields of science.
| S.No. | Question | Answer |
| 1 | Which chemist propounded the principle of life force? | Bergilius |
| 2 | The most abundant organic compound found in nature is | Cellulose |
| 3 | Camphor is purified by which method? | Sublimation |
| 4 | The process of vaporization of solid camphor is called | Sublimation |
| 5 | Why is diesel used in heavy vehicles? | High efficiency and economic savings |
| 6 | Commercial Vaseline is extracted from? | Petroleum |
| 7 | Paraffin is a by-product of? | Petroleum refining |
| 8 | What is the main component of petrol? | Octane |
| 9 | The wax obtained from petroleum is | Paraffin wax |
| 10 | How is the quality of a gasoline sample determined? | By its octane number |
| 11 | Which gas is mainly present in the mixture of gases coming out of Septic Tank? | Methane |
| 12 | Mainly found in cow dung gas | Methane |
| 13 | It is the main component of natural gas. | Methane |
| 14 | It is the main component of Bio Gas. | Methane |
| 15 | Which gas comes out from marshy land? | Methane |
| 16 | The gas mainly used for cooking is | Methane |
| 17 | What is LPG a mixture of? | Butane and propane |
| 18 | Which gas was used as a chemical weapon in World War I? | Mustard gas |
| 19 | Which gas is used for welding metals? | Acetylene |
| 20 | The refrigerant is Freon | Difluoro dichloro methane |
| 21 | Indane gas is a mixture of butane and | Propane |
| 22 | When carbon monoxide reacts with H2 at 300°C | Methane is formed |
| 23 | The name of the gas used for ripening raw fruits artificially is – Acetylene is formed by pouring water on calcium carbide | Acetylene |
| 24 | Which gas is responsible for the depletion of ozone layer? | Chlorofluorocarbons |
| 25 | Used to extinguish electrical fires | Pyrene fire extinguisher |
| 26 | What is wood spirit? | Methyl alcohol |
| 27 | Ethyl alcohol is present in | Wine |
| 28 | Consuming ethyl alcohol in excess has a bad effect on the | Liver |
| 29 | In those alcohol tragedies that result in blindness etc., the harmful substance is | Methyl alcohol |
| 30 | What is the end product of alcoholic fermentation? | Ethyl alcohol |
| 31 | What is the chemical formula of C2 H5OH? | Ethyl alcohol |
| 32 | What other names is methanol known by? | Wood alcohol |
| 33 | What process results in the formation of alcohol? | Fermentation |
| 34 | Antifreeze mixtures are used in radiators of automobiles in cold countries. What happens in this mixture? | Water and ethylene glycol |
| 35 | Aldol condensation cannot occur between? | An aldehyde and an ester |
| 36 | The pyroligneous acid obtained from wood contains | 10% acetic acid. |
| 37 | What process is adopted in the production of biodiesel? | Transesterification |
| 38 | When ants bite, they inject | Formic acid |
| 39 | Bee stings release an acid, which causes pain and burning. What is this injected acid? | Methanoic acid |
| 40 | Which acid is present in vinegar? | Hydrochloric acid |
| 41 | Molasses is an excellent raw material for | Acetic acid |
| 42 | Oxalic acid is found in | Tomato sauce |
| 43 | What is the main component of Vinegar? | Acetic acid |
| 44 | Vinegar is | 5% solution of acetic acid in water |
| 45 | If milk is kept uncovered for a long time, it turns sour. What causes this? | Lactic acid |
| 46 | Accumulation of which fluid in the muscles causes fatigue? | Lactic acid |
| 47 | Why is lemon sour? | Citric acid |
| 48 | Stones formed in human kidney are usually made up of | Calcium oxalate |
| 49 | Which acid is used in photography? | Oxalic acid |
| 50 | In what form is oxalic acid present in plant cells? | Calcium oxalate |
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