AIEEE Questions

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First is produced by the action of the second.

Hence, Bread : Yeast :: Curd : Bacteria.

Fog will form if the air temperature drops below the dew point, which is the capacity of the air to hold moisture in suspension. If the temperature drop far enough the moisture content will exceed saturation point, causing it to form visible water vapour.

It happens in the early mornings or late after noons.

The computer that process both analog and digital is called Hybrid computer.

Here from 4th December 1999 to 3rd January 2000,
there is a difference of 30 days.
Number of odd days = 30/7 = 2 odd days

Then no. of odd days = 2 => tuesday and wednesday(from monday).

Hence on 3rd january it is wednesday.

Among the given options Brass is not a compound. Since it is an alloy, it is a mixture. It is a mixture of copper and zinc.

The smallest part of a compound is called a molecule. It has a unique composition that is always the same.

Compound is a substance that consists of two or more elements. 

Let the present ages of Arun and Harish be 4x and 3x years respectively.

Then, 4x + 6 = 26 => x = 5

Harish's age = 3x = 15 years.

∆Tf = kf.m 

for ethylene glycol in aq. solution

 $$\begin{gathered} ∆Tf = kf wmol.wt × 1000wt. of solvent \\ 6 = 1.86 x w x 100062 x 4000 \end{gathered}$$

=> w = 800 g

So, the weight of solute should be more than 800 g.

By trial and error method, when we substitute 

x = 0

Both LHS and RHS are equal.