Advertisements
Advertisements
प्रश्न
Which method can be used to separate a mixture of naphthalene and common salt ?
Advertisements
उत्तर
Sublimation can be used to separate the mixture of naphthalene and common salt.
APPEARS IN
संबंधित प्रश्न
Which separation technique will you apply for the separation of the following?
Wheat grains from husk.
What are the characteristic properties of a pure substance? Why do we need them?
Define :- Miscible liquids
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.
A mixture of milk and groundnut oil can be separated by :
Name four substances that can be used as filters.
Write “true” or “false” for the following statement
A pure substance consists of only one kind of atom or molecule.
While diluting a solution of salt in water, a student by mistake added acetone (boiling point 56°C). What technique can be employed to get back the acetone? Justify your choice.
You are given two samples of water labelled as ‘A’ and ‘B’. Sample ‘A’ boils at 100°C and sample ‘B’ boils at 102°C. Which sample of the water will not freeze at 0°C? Comment.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
