Advertisements
Advertisements
प्रश्न
Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?
Advertisements
उत्तर
Centrifugation is a technique used in a washing machine to squeeze out water from wet clothes while drying.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Liquids have a definite ______
Which of the following materials fall in the category of a “pure substance”?
- Ice
- Milk
- Iron
- Hydrochloric Acid
- Calcium oxide
- Mercury
- Brick
- Wood
- Air
Name a non-metal which is a good conductor of electricity.
What is meant by saying that metals are lustrous ?
What is the other name for impure substances ? Give two examples of impure substances.
“Is malleable and ductile” best describes :
What is the most common way of expressing the concentration of a solution ?
Define the emulsion. Give one example.
Which of the following do not exhibit Tyndall effect ?
Starch solution, Sugar solution, Ink, Salt solution, Copper sulphate solution, Ammonium chloride solution, Fog, Smoke, Car exhausts.
How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this solution is cooled to 10°C ?
Fill in the following blanks with suitable words :
Miscible liquids are separated by .....................
How will you separate water from mustard oil ?
With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separation possible.
Which of the following mixture cannot be separated by using water as the solvent ?
The technique which is used to separate particles of a solid suspended in a liquid quickly is called :
Which one of the following scrap metal cannot be separated by magnetic separation ?
______ is not made of matter.
Gases change to liquid by the process of ______.
Give an example of a molecule.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
