- Scientist who proved that water is a compound of hydrogen and oxygen?
- The noble gas known as hidden gas?
- Name the first artificial heart
- Organ known as chemical lab of human body?
- Weight of human brain?
- Black mulberry is used for the treatment of?
- The scientist who discovered pH scale?
- Plants which can make their own food?
- Acid known as ethanoic acid?
- Scientist who discovered that the body of plant is made up of cells?
- Life span of fluorescent lamps
- Colour of the hydrogen vapour lamp
- Electromyograph is a diagnostic test of
- An antiviral chemical produced by the animal cell
- Urea is produced in the human body in
- Tetra Chlora Dibenso Dioxin is a
- Ray used to disinfect equipments used for operation
- The most abundant metal in bones
- A substance that speeds up a chemical reaction is known as
- The part of the body affected by the poison of cobra is
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