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प्रश्न
Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
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उत्तर
A heterogeneous mixture of liquid and solid is conveniently separated by centrifugation.
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संबंधित प्रश्न
Name the terms for the change of a solid into liquid.
Give one difference between atoms and molecules.
Which of the following materials fall in the category of a “pure substance”?
- Ice
- Milk
- Iron
- Hydrochloric Acid
- Calcium oxide
- Mercury
- Brick
- Wood
- Air
State two characteristics of matter demonstrated by Brownian motion.
Name the property which enables metals to be drawn into wires.
The three important metalloids are.............................. and ..........................
The elements which normally exist in the liquid state are :
On the basis of composition of matter, milk is considered to be :
Which of the following does not have a fixed melting point/boiling point ?
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.
What is a colloid ? Give two examples of colloids (or colloidal solutions)
Name the process by which all the dye can be recovered from black ink.
Describe a method to separate a mixture of common salt and sand.
What is chromatography ? State its two applications.
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
The best way to recover sugar from an aqueous sugar solution is :
A teabag placed in a cup of hot water will diffuse into the water.
Give an example of a molecule.
Give an example of liquid in gas.
Define the term matter.
