Advertisements
Advertisements
प्रश्न
Name the process you would use to separate a mixture of water and alcohol.
Advertisements
उत्तर
We would use the process of distillation to separate a mixture of water and alcohol.
APPEARS IN
संबंधित प्रश्न
The smallest unit of matter that exists freely in nature is called ...........
Name the terms for the change of vapour into a liquid.
Honey is more viscous than water. Can you suggest why?
What is the general name of the materials which contain at least two pure substances and show the properties
of their constituents ?
What are the two types of pure substances? Give one example of each type.
Draw a flow-chart for the schematic representation of different types of matter.
Which of the following is not an element ?
“Is malleable and ductile” best describes :
How will you test whether a given solution is a colloidal solution ?
You have been given a suspension and a solution. How could you tell the difference between them by their appearance ?
Which of the following will show Tyndall effect ? Why ?
- Salt solution
- Starch solution
- Milk
- Copper sulphate solution
Define the emulsion. Give one example.
What is meant by the concentration of a solution ?
9.72 g of potassium chloride dissolves in 30 g of water at 70°C. Calculate the solubility of potassium chloride at that temperature.
Fill in the following blanks with suitable words :
The gases of air can be separated by fractional distillation of liquid air because they have different..............
How is scrap iron separated from a heap of waste materials in factories?
How will you separate a mixture of iron filings, chalk powder and common salt ?
Asmita went to buy an earthen pot. There she saw many things kept for sale.
What is the difference between a substance and an object?
Justify your answer.
| Figure 1 | Figure 2 | Figure 3 |
 |
 |
 |
The arrangement of particles in three different phases of matter is shown above.
- Which state is represented by Fig. 1?
- In which state will the inter-particle attraction be maximum?
- Which one of them cannot be contained in an open vessel?
- Which one can take the shape of its container?
State whether true or false. If false, correct the statement.
Oil and water are immiscible with each other.
