Bank PO Questions

3/4 divided by 2

= 3/4/2

= 3/4x2

= 3/8.

Hence, 3/4 divided by 2 is equal to 3/8.

Hydrophilic molecules readily associate with water molecules and water like molecules such as alcohols.

In 1933, Congress repealed prohibition with the 21st amendment. At it’s heart, the scopes trial was a clash between religion and science. Nativists were opposed to immigration because they feared that immigration would be a damage to America’s traditions and that it would result in a loss of jobs.

The Prohibition Era in United States history lasted from 1919 to 1933. It was defined by a complete prohibition of the manufacturing, sale, and transportation of alcoholic beverages in the United States.

Mercury and Bromine both will be in liquid state at room temperature. But mercury is metal. Hence, bromine is the only non metal which is in liquid state at room temperature.

Calculation of molar mass of HNO3:

Atomic masses of H, N, O are 1, 14, 16 respectively

Now the molar mass of HNO3 is

HNO3 = 1X1 + 1X14 + 3X16

= 1 + 14 + 48

= 63 g/mol or amu.

Electrostatic precipitator is used to control Air pollution. An electrostatic precipitator is a filtration device that removes fine particles, like dust and smoke, from a flowing gas using the force of an induced electrostatic charge minimally impeding the flow of gases through the unit.

5% of 4000

= 5 x 4000/100

= 5 x 40

= 200

Hence, 5% of 4000 = 200.