Advertisements
Advertisements
प्रश्न
Complete the given analogy.
Murukku from hot oil: ______:: Coffee powder residue from decoction: ______
Advertisements
उत्तर
Murukku from hot oil: filtration :: Coffee powder residue from decoction: filtration
APPEARS IN
संबंधित प्रश्न
Intermolecular space is maximum in .......... less in ............ and the least in .........
Select the correct alternative
The molecules can move freely anywhere in
- gases
- liquids
- solids
- none of the above
What do you mean by the inter-molecular spaces? How do they vary in different states of matter?
When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :
When extremely small particles X derived from the anther of a flower were suspended in a liquid Y and observed through a microscope, it was found that the particles X were moving throughout the liquid Y in a very zig-zag way. It was also observed that warmer the liquid Y, faster the particles X moved on its surface.
- What could particles X be ?
- What do you think liquid Y is ?
- What is the zig-zag movement of X known as ?
- What is causing the zig-zag movement of particles X ?
- Name the scientist who discovered this phenomenon.
- What does this experiment tell us about the nature of liquid Y?
Name the property which allows metals to be hammered into thin sheets.
Classify the following as elements or compounds :
Iron, Iron sulphide, Sulphur, Chalk, Washing soda, Sodium, Carbon, Urea
Which of the following is a sol ?
Shaving cream, Milk, Fog, Soap solution, Hairspray
The correct increasing order of the boiling points of liquid oxygen, liquid argon and liquid nitrogen present in liquid air is :
Solids possess very high kinetic energy.
