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प्रश्न
Give reasons for the following:
Naphthalene and camphor cannot be separated by sublimation.
उत्तर
Because both of these are sublimable solids and they sublimes on heating.
संबंधित प्रश्न
Is air a mixture or a compound ? Give three reasons for your answer.
Which one of the following is most likely to exhibit Tyndall effect ?
How will you separate a mixture of mercury, oil and water ?
Which of the following can be separated by using a separating funnel and which cannot be separated by using a separating funnel ?
- water and kerosene mixture
- water and acetone mixture
Give reasons for your answer.
Seawater tastes salty due to the dissolved salt. the salinity (the proportion of salts in water) of some water bodies Lonar lake - 7.9 %, Pacific Ocean 3.5%, Mediterranean sea - 3.8%, Dead sea - 33.7%. Explain two characteristics of the mixture from the above information.
Name the components present in the following mixture:
Tap water
Write “true” or “false” for the following statement
Salt and air dissolved in water add taste to water.
Give a reason why sublimable and non-sublimable substances can be separated easily, but two sublimable substance cannot.
Name the following:
A mixture of two immiscible liquids
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
