Comment on the statement that “colloid is not a substance but a state of substance”.

1. Good health keeps us always happy and gives no feeling to complete physical, mental, social and intellectual well being.  2. A good health keeps us away from the diseases and...

(a) Saturated solution A saturated solution is a solution in which the maximum amount of solute has been dissolved at a given temperature. The solution cannot dissolve beyond that amount of...

(a) heterogenous, centrifugation  (b) physical, chemically  (c) water, chloroform (hint– density of water is less than that of chloroform)  (d) fractional distillation  (e) scattering, Tyndall effect, colloidal

In ionic compounds, electricity is conducted by ions. In solid state, ions are held together by strong electrostatic forces and are not free to move about within the solid. Hence,...

The properties of the elements of the first transition series differ from those of the heavier transition elements in many ways. (i) The atomic sizes of the elements of the first...

Yes, it is possible that a trait is inherited but may not be expressed. For example, when pure tall pea plants are crossed with pure dwarf pea plants, only tall pea...

Potato chips are tasty but they are not very nutritious. Boiled vegetables are very nutritious but they may not be tasty.

(i) False If P = {m, n} and Q = {n, m}, then P × Q = {(m, m), (m, n), (n, m), (n, n)} (ii) True (iii) True

                              The Diary of a Young Girl   The hideout had promised their life but somehow killed their...