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प्रश्न
Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
उत्तर
A heterogeneous mixture of liquid and solid is conveniently separated by centrifugation.
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संबंधित प्रश्न
Gases have definite volume but no definite shape.
Name the terms for the particles of matter which may or may not have independent existence.
Fill in the blank
All matter is made up of tiny particles called ______
Fill in the blank
Liquids have a definite ______
Name the property which allows metals to be hammered into thin sheets.
Explain why, hydrogen and oxygen are considered elements whereas water is not considered an element.
How would you confirm that a colourless liquid given to your is pure water ?
State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.
What are the three general classes of matter ? Give one example of each type.
Which of the following are compounds ?
- CO
- No
- NO
- Co
What is the name of the clear liquid formed when a solid dissolves in a liquid ?
A solution contains 5.6 mL of alcohol mixed with 75 mL of water. Calculate the concentration of this solution.
Name the different types of solutions. Give one example of each.
Classify the following into solutions, suspensions and colloids :
Soda-water, Milk, Brine, Blood, Ink, Smoke in air, Chalk water mixture, Milk of Magnesia, Shaving cream, Muddy river water.
Which one of the following is not a chemical change ?
What difference in the properties of oil and water enable their separation by a separating funnel ?
You are given a mixture of iodine in alcohol called tincture iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture ?
One of the following does not undergo sublimation. This one is :
A standard sheet of paper is about ______ of atoms thick
Complete the following table:
| S.No. | CELSIUS | KELVIN |
| 1. | 90°C | 363 K |
| 2. | ______ | 283 K |
| 3. | 63 °C | ______ |
| 4. | 250°C | ______ |
| 5. | ______ | 303 K |
