Explanation

Fractional distillation separates miscible liquids that have different boiling points.

It is useful for separating ethanol from a mixture of ethanol and water,

and for separating crude oil into different products such as petrol, diesel, and kerosene.

Explanation

Explanation

The Tyndall effect is the scattering of light by particles in a colloid or in very fine suspensions.

When light passes through a colloidal solution, the dispersed particles scatter the light in different directions, making the path of the light visible.

Explanation

Angiotensin III is part of the renin-angiotensin system, which regulates blood pressure and fluid balance.

The juxtaglomerular cells, located in the kidneys, release renin in response to a decrease in sodium chloride concentration in the distal tubules.

Renin then catalyzes the conversion of angiotensinogen to angiotensin I,

Which is further converted to angiotensin II, and subsequently to angiotensin III.

This cascade helps in regulating blood pressure and sodium balance.

Explanation

Charles' law states that, for a given mass of an ideal gas at constant pressure, the volume is directly proportional to its absolute temperature, assuming in a closed system.

The pascal is the SI derived unit of pressure

Explanation

f-subshell consists of 7 orbitals and each orbital can accommodate a maximum of 2 electrons

therefore f-subshell can accommodate a maximum of 14 electrons

Explanation

Protozoa are often studied under parasitology because many are parasites causing diseases like malaria and amoebiasis.

Though protozoa are microorganisms, their parasitic nature makes them a key focus in parasitology.

Explanation

The roundworm, also known as a nematode, is an invertebrate that possesses a pseudocoelom. 

Explanation

dsp2 type of hybridization is seen especially in the case of transition metal ions.

The orbitals involved in this type of hybridization are dx2−y2, s and two p orbitals

Explanation

Iodine heptafluoride (IF₇) has a pentagonal bipyramidal structure.

In this geometry, iodine is surrounded by seven fluorine atoms:

• five fluorines are arranged in a plane forming a pentagon,
• and the other two fluorines are positioned above and below this plane,
• forming the axial positions.

This arrangement minimizes electron pair repulsion around the iodine atom.