What do you mean by not drawing?
Answer:
reactivity:very reactive,less reactive
density:float in water,sink in water
melting and boiling point:low,high
colour of salts: colourless,often coloured
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Both rods and cones are photoreceptor cells but rods are responsible for black and white vision while cones are responsible for color vision.
<span>Both types of cells rest on basement membrane.</span>
