Hi,

There are bio-related graduation courses in IITs. You can choose these courses only if you have the combination of subjects in class 11th and 12th i.e., Physics + Chemistry + Biology  + Mathematics. The branches offered in IITs regarding bio-related will be Bioscience, Bioengineering, Biotechnology and Bio-chemical Engineering.

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Mass is not conserved in chemical reactions. The fundamental conservation law of the universe is the conservation of mass-energy. This means that the total mass and energy before a reaction in a closed system equals the total mass and energy after the reaction. According to Einstein's famous equation, E =

The core of a pencil does not contain lead and never has. Pencils contain a form of solid carbon known as graphite. According to the book The Pencil by Henry Petroski, the graphite pencil was first developed and popularized in the 1600's. The first users of graphite simply dug this

On its own, ice is not slippery. When you step onto an icy sidewalk, you do indeed feel a slippery surface. But the slipperiness is caused by a thin layer of liquid water and not directly by the solid ice itself. Water on a smooth surface is slippery because water

Objects always fuse to your finger when you touch them. You often don't notice this for two reasons: 1) Your finger is stronger than the object you are touching. When you pull away, you rip atoms off the object and these atoms remain fused to your finger as a microscopic

Metals do burn. In fact, most metals release a lot of heat when they burn and are hard to put out. For example, thermite is used to weld train rails together. The fuel in thermite is the metal aluminum. When thermite burns, the aluminum atoms bond with oxygen atoms to

Atoms do not always contain the same number of electrons and protons, although this state is common. When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons). The total electric charge of

There is only one significant force at work in chemical reactions: the electromagnetic force. There are four fundamental forces in the universe: gravity, the electromagnetic force, the weak nuclear force and the strong nuclear force. Gravity is too weak to affect chemical reactions much, seeing as chemical reactions involve the