Question
Activated charcoal is used to remove colouring matter
from pure substances by which of the following process?Solution
Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface. This process creates a film of the adsorbate on the surface of the adsorbent. Thus, in order to remove colouring matter from pure substances through activated charcoal, process of Adsorption is followed.
The average of 10 numbers is 30. What will be the new average if one of the numbers is increased by 30 and five of the rest decreased by 4 each?
Which one of the following is the correct sequence in the decreasing order of contribution of different sources to the gross domestic product (GDP) in I...
Which of the following will complete the adjoining figure
From the given alternatives select the word which cannot be formed using the letters of the given word
SIMULTANEOUSLY
Which amongst the following was not correct about the ancient town of Mathura ?
A person is to reach a destination 40 km away. If he covers the first 25 km in 4 hours then at what constant speed should he go so that the average spee...
Headquarter of World Health Organization (WHO) is located at -
The Constitution of India begins will the words.
The Union Cabinet is composed of:
Stamped red-glazed pottery, known as Arrentine Ware, has been found in many ancient settlements of the South India. The 'Arrentine Ware' were named afte...