Questions

During the Mughal Empire, zamindars belonged tothe nobility and formed the ruling class. Emperor Akbar granted them mansabs and their ancestral domains were treated as jagirs.

In some respects of zamindars and the peasants were natural allies in any struggle against the Mughal government.

The Zamindars often received the support of the peasantry in many agrarian uprisings in North India in the seventeenth century.

Hardness can be removed by adding sodium carbonate (washing soda) or by passing the water through an ion-exchange column.

Hardness in water is caused by dissolved magnesium ions and calcium ions. These can get into the water when it comes into contact with limestone and other rocks that contain calcium compounds. This can happen, for example, when rainwater flows over these rocks on its way to a reservoir.

Hardness in water is of two types. They are :

1. Temporary hardness

2. Permanent hardness

1. Temporary hardness:: Temporary hardness is caused by dissolved calcium hydrogen carbonate.

2. Permanent hardness:: Permanent hardness is caused by dissolved calcium sulfate. Unlike temporary hardness, it is not removed by boiling the water.

The Nalayira Divya Prabandham is a collection of 4,000 Tamil verses composed by the 12 Alvars and was compiled in its present form by Nathamunigal during the 9th -10th centuries. These were sung by the Alwars indevotional estacy in varrious shirineas of Vishnu, made famous as Magalashasana sthalas.

Fischer projections were originally proposed for the depiction of carbohydrates and used by chemists, particularly in organic chemistry and biochemistry.A Fischer projection always uses an eclipsed conformation. A Newman diagram can represent either an eclipsed conformation or a staggered conformation or a skew conformation.

one of the 'fathers' is also a grandfather. Therefore the other father is both a son and a father to the grandson. In other words, the one father is both a son and a father.