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Hydrometer is used for specific gravity of liquid.
Which vitamin easily prepared in body? vitamin D
Which gas is commonly used in balloons? Helium
The most abundant element in earth curst is Oxygen (O) 46.6% and silican is the second abudent element of earth and silican is called earth maker.
One horse power is equal to 746 watt.
Which colour phosphorus used in matches? Red
Oldest known element? Copper
Which shape of carbon is used in lead pencils? Graphite
Artificial silk is called rayon.
Basic component of paper is wood.
The bar is a unit of pressure equal to 100 kilopascals and roughly equal to the atmospheric pressure on Earth at sea level.
Light year is the unit of distance.It is the distance that light can travel in one year. A light year is equal to 9.46 trillion kilometers.
Largest organ of the body is Skin and largest gland is Liver.
Kidney disease due to overdose of vitamin c.
CPU is an abbreviation of Central Processing Unit.
Cusec is unit of water flow.
ATM stands for Automated Teller Machine.
Mirage is an example of refraction of Light.
Sound travels fastest in Glass.
The gravitational force on the body is called as Weight.