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Sulfuric acid, also known as vitriol, is a mineral acid composed of the elements sulfur, oxygen and hydrogen, with molecular formula H2SO4. It is a colorless, odorless, and syrupy liquid that is soluble in water, in a reaction that is highly exothermic

Thigmotropism ( Haptotropism ) is one example of tropism, which is the responding of a plant to environmental stimuli by growing towards or away from them. In other words, the reaction can be positive or negative. For instance, a stem can grow upwards towards the sun, and roots can grow away from an object in the soil.

Alexander Fleming-discovered Penicillin
Edward Jenner-discovered vaccine for small pox
In 1857 he presented evidence that all fermentation is caused by microorganisms and that specific microorganisms cause specific kinds of fermentation.
Using his work with fermentation, Pasteur was able to devise a process, now known as pasteurization, to kill microbes and preserve certain products.

Eustachian tube connects the middle ear cavity with the pharynx. This helps in equalising the pressures on either sides of the ear drum.

Ear ossicles(Consiste of malleus,incus,stapes)
Amplify and transmit
the vibrations of the
tympanum to the
internal ear.

Movements of the head bring
about the movement of the endolymph present
inside the vestibule and the semicircular canals. This
causes movement of the sensory hair cells and
generates impulses. These impulses are transmitted
by the vestibular nerves to the cerebellum, and the
equilibrium of the body is maintained.

Graphite is simply an allotrope of carbon, and therefore only contains carbon atoms in its chemical formula.

Antimony is a chemical element with symbol Sb and atomic number 51.

Myasthenia Gravis:
It is an auto immune disease in which patients have developed antibodies against their own acetylcholine activated ion channels.
It causes the person to become paralyzed because of inability of neuromuscular junction to transmit signals from the nerve to muscle fibre.

The speed of light could then be found by dividing the diameter of the Earth’s orbit by the time difference.

An ebullioscope is an instrument for measuring the boiling point of a liquid.

Reverberation is the collection of reflected sounds from the surfaces in an enclosure like an auditorium. It is a desirable property of auditoriums to the extent that it helps to overcome the inverse square law drop off of sound intensity in the enclosure.

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