What kind of forces exists between adsorbate and adsorbent in physisorption?
Physisorption is defined as adsorption in which force between adsorbate and adsorbent is physical van der Waals force. It is due... View Article
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On what factor does the magnitude of the surface tension of a liquid depend?
The magnitude of the surface tension of a liquid depends on the intermolecular forces which are experienced by a molecule... View Article
Can microorganisms be seen with the naked eye? If not, how can they be seen?
Answer: Microorganisms can be visible under a microscope What are microbes? A microorganism is a living thing that is too... View Article
What is the impact of waste accumulation on the environment and your health?
Waste is defined as unwanted and unusable materials and is regarded as a substance that is of no use. Waste... View Article
What happens to the number of valence electrons when we move down the group?
On moving down a group since the number of valence electrons remains the same, all elements exhibit the same valence.... View Article
Which solution makes the white precipitate of silver chloride soluble in it?
The white precipitate of silver chloride is soluble in ammonium hydroxide. Ammonium Hydroxide is ammonia dissolved in water. When AgCl has... View Article
Name the property of metals which is used in turning metals into thin wires.
The ability of metals to be drawn into wires is known as ductility. Ductility is the property of being drawn... View Article
A battery lights a bulb. Describe the energy changes involved in the process.
When a bulb is connected to a battery, the battery’s chemical energy is transferred into electrical energy. Explanation When the... View Article
What are unidentate ligands with more than one co-ordinating atoms called as?
Unidentate ligands with more than one coordinating atoms are called ‘Ambidentate ligands’. For example thiocyanate -SCN or isothiocyanate -NCS Ambidentate... View Article
From where does the passage of sperms take place in male reproductive system?
The sperms in males are carried to the female germ cells (egg) via a passage which is called urethra. Testis produces... View Article
Which hormone regulates carbohydrate, protein and fat metabolism in the body?
Thyroxin is the hormone that regulates carbohydrate, protein and fat metabolism in the body. Explanation Thyroxin regulates carbohydrate, protein and... View Article
Name the oxidising agent used in conversion of alcohols into carboxylic acid.
Alkaline potassium permanganate is used for oxidising alcohols to acids. By using primary Alcohols and Aldehyde We will notice that... View Article
Name the enzymes that catalyze hydrolysis of sucrose to glucose and fructose.
Invertase catalyses the hydrolysis of sucrose to glucose and fructose. Sugarcane is sucrose (C12H22O11) basically it is a dextro rotator... View Article
What does the screening effect of inner shell electrons of the nucleus cause?
When the number of inner electrons is greater, they shield the outermost electron from the nucleus so that the outermost... View Article
Why are we able to sip hot tea or milk faster from a saucer rather than a cup?
The evaporation and the property of evaporation that it causes cooling. The more the surface area, the more is the... View Article
Which kingdom lacks a well-defined nucleus and membrane-bound cell organelles?
The organisms belonging to the kingdom Monera are only prokaryotes. Prokaryotes lack a well-defined nucleus and membrane-bound cell organelles. Monera... View Article
According to Avogadro’s law what happens to the same temperature and pressure?
According to Avogadro’s law, equal volumes of gases at the same temperature and pressure should contain an equal number of... View Article
Which one of the following is the modern symbol of Gold? a. Au b. Pb c.Ag d.Pb
(a) Au The Latin name of gold is Aurum so its first two initials are taken as the modern symbol... View Article
What is the term used for the plastids that are colourless or white in colour?
The term used for the plastids that are colourless or white in colour is Leucoplasts. Explanation Leucoplasts are non-pigmented plastids... View Article
What is the meaning of the word Prairie originated from the Latin word priata?
The word Prairie originated from the Latin word priata which means meadow. The temperate grasslands of North America are called the... View Article
