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प्रश्न
Fill in the blank :
The substances which can flow are called ________
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उत्तर
The substances which can flow are called fluids.
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संबंधित प्रश्न
Name the terms for the change of a solid into liquid.
Fill in the blank
All matter is made up of tiny particles called ______
Out of solids, liquids and gases, which one has :
- maximum movement of particles ?
- maximum interparticle attractions ?
- minimum spaces between particles ?
What is Brownian motion? Draw a diagram to show the movement of a particle (like a pollen grain during Brownian motion.
Which of the following is a mixture ?
Salt, Air, Water, Alum, Sugar
What elements do the following compounds contain ?
Sugar, Common salt
One of the following substances is neither a good conductor of electricity nor an insulator. This substance is :
Choose one term from the following which includes the other three :
aerosol, emulsion, colloid, sol
What is the difference between solutions and colloids ?
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.
One of the following liquids will leave behind a residue on heating. This one is :
What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?
Name the property of one of the constituents which can be used to separate a mixture of salt and iodine
Which technique can be used to detect and identify traces of poison present in the stomach wash of a person ?
How will you separate camphor, common salt and iron nails from their mixture ?
Explain the meaning of the term ‘matter’.
Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk?
Why wires cannot be drawn from materials such as stone or wood?
The particles in the matter are extremely small and can be seen even with a powerful microscope.
Write a scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
