Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
Sample ‘B’ which boils at 102°C contains impurities. It will not freeze at 0°C. There will be a depression at the freezing point.
APPEARS IN
संबंधित प्रश्न
When a mixture of iron powder and sulphur powder is heated strongly to form iron sulphide, then heat energy is :
You are given a mixture of water, groundnut oil and common salt. How will you separate groundnut oil and common salt from it ?
How will you separate a mixture of kerosene oil and water ? Explain with the help of a labelled diagram.
Write “true” or “false” for the following statement
Jewellery gold is a homogeneous mixture of metals.
State whether the following statement is true or false. If false write – the correct statement.
Sodium chloride and water is an example of a mixture of elements and compounds.
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.
Under which category of mixtures will you classify alloys and why?
You are provided with a mixture containing sand, iron filings, ammonium chloride and sodium chloride. Describe the procedures you would use to separate these constituents from the mixture?
LPG is ______ gas.
Write scientific reason.
Lemon sherbet has a sweet, sour and salty taste, and it can be poured into a glass.
