Nano size of gold has ______colour .

Gold nanoparticles are ________ in colour, whereas bulk gold metal is yellow.

Why the colour of gold sol change with the size of gold particles?

Why the colour of gold sol change with the size of gold particles?

As the size of gold particle increases the colour of solution varies as

What is the colour of gold partcles of nanometer size ?

Assertion:Aqueous gold sol is red in colour. Reason:The colour arises due to scattering of light by colloidal gold particles.

The four colours on a resistor are: brown, yellow, green and gold as read from left to right. What is resistance corresponding to these colours.

The four colours on a resistor are: brown, yellow, green and gold as read from left to right. What is resistance corresponding to these colours.