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प्रश्न
Which of the following is not a mixture ?
विकल्प
kerosene
air
alcohol
petrol
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उत्तर
alcohol
Air, kerosene oil and petrol are mixtures of various compounds of carbon and hydrogen (called hydrocarbons). Alcohol is a compound and not a mixture.
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संबंधित प्रश्न
Classify each of the following as a homogeneous or heterogeneous mixture.
Soda water, wood, air, soil, vinegar, filtered tea.
The ‘sea water’ can be classified as a homogeneous mixture as well as a heterogeneous mixture ? Comment.
Define the following:
Impure substance
Give reason:
Why sulphur does dissolve when carbon disulphide is added to a mixture of iron and sulphur but not when it is added to iron sulphide?
Give two examples of the following type of mixture.
solid-solid
Give two examples of the following type of mixture.
solid-liquid
Write answer to the following question in your own words.
How are the components of mixtures separated by simple methods?
Complete the given analogy.
Iron – sulphur mixture : ______:: Mustard seeds from Urad-dhal: Rolling
Name the process associated with the following
Settling of sand when a mixture of sand and water is left undisturbed for some time.
Supernatant denotes the heterogeneous mixture, lying above a solid residue, after crystallization, precipitation, centrifugation, or another process.
