The zig-zag movement of particles suspended in liquids and gas is called …….. motion , named after the scientist ………

Brownian

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Robert Brown

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Solution

the zig zag motion of gaseous particles is called brownian motion . it was named for the Scottish botanist Robert Brown.

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Q. 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.
(a) What could particles X be ?
(b) What do you think liquid Y is ?
(c) What is the zig-zag movement of X known as ?
(d) What is causing the zig-zag movement of particles X ?
(e) Name the scientist who discovered this phenomenon.
(f) What does this experiment tell us about the nature of liquid Y?

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.

(a) What could paricles X be ?

(b) What do you think liquid Y is ?

(d) What is causing the zig-zag movement of particles X ?

(e) Name the scientist who discoverd this phenomenon.

(f) What does this experiment tell us about the nature of luquid Y?

The zig-zag movement of particles suspended in liquids and gases is called____________ motion, named after the scientist___________.

Fill in the blank by choosing the correct words from the options given below:

The zig-zag movement of particles suspended in air or water is called ________ movement.

The zig-zag random movement of particles of colloidal solution is called _________.

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