The density of water is measured by Hydrometer.
The Blood pressure is measured by Sphygmo- manometer.
Diphtheria is caused by Coryne bacterium diphtherias.
Cholera is caused by Vibrio cholera.
Whooping cough is caused by Hemophilis pertusis.
The destruction of Red Blood cells takes place in liver. So,
liver is called the grave of RBC.
In the ordinary fire extinguisher carbon dioxide is
generated by the reaction of sodium bicarbonate and dilute sulphuric acid.
Hygrometer measures the humidity in atmosphere.
The atmospheric pressure is measured by the Barometer.
The primary colours are Red, Green and Blue.
Due to high pressure, the boiling point of water is raised.
This is the reason why the food can be cooked faster in a pressure cooker.
The image of an object forms at retina part of the eye.
Iris part of the eye is responsible for the colour to eyes.
Cornea part of the eye can be transplanted to other Human.
When a light wave is reflected from a mirror, there is a
change in its amplitude.
When water itself combines with some element or mineral it
is called Hydration.
Quinine is extracted from the bark of Cinchona plant.
Steel contains 0.1-2% carbon.
Detergents are sodium salts of sulphonic acids.
The most reactive among the halogens is Fluorine.
The major component in the LPG is Butane.
Chewing gum is made from Latex.
Acute lead poisoning is also known as Plumbism.