A fresh precipitate can be transformed into colloidal sol by:
Peptization is the process of converting a precipitate into colloidal sol by shaking it with dispersion medium in the presence... View Article
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Give an example of a reaction in which precipitate is formed.
Reaction between lead nitrate and potassium iodide results in formation of a yellow precipitate of lead iodide.
What is the major drawback of Rutherford’s model of the atom?
The major drawback of Rutherford’s model of the atom is that it does not explain the stability of the atom.
What kinds of climatic conditions exist in the Indian Desert?
Hot and dry climate with scanty rainfall is the kind of climate that exists in the Indian desert.
When does Raoult’s law become a special case of Henry’s law?
Raoult’s law becomes a special case of Henry’s law when KH becomes equal to p10 in Henry’s law. At given... View Article
Name the plant group does a plant with nine petals belong to?
The flower has nine petals (a multiple of three). This is a characteristic of Monocot group.
What happens to the field lines in an uniform magnetic field?
In a uniform magnetic field, the field lines are parallel equidistant straight lines.
Name the anode used in Hall-Heroults process of electrolysis.
In Hall-Heroults process, Steel is used as cathode and graphite is used as anode.
In a colloid of smoke and dust what is the dispersion medium?
A colloid is a mixture that has particles ranging between 1 and 1000 nanometres in diameter. The phase that is scattered or present... View Article
What happens when a clot occurs in an undamaged blood vessel?
Clot in the vessel block the passage and prevent the flow of blood.
How many atoms are present in a face centred cubic unit cell?
The structure of a crystalline solid, whether metal or not, is best described by considering its simplest repeating unit, which... View Article
What percent of the world’s sugarcane is cultivated in India?
20% of the world’s sugarcane is cultivated in India.
How much water is wasted because of dripping taps every year?
Answer: Assume you have a single faucet that drips once per second in your house. That averages 60 drips per... View Article
Why is the cell called structural and functional unit of life?
Definition A cell is the smallest, basic unit of life responsible for all of life’s processes. Cells are the structural,... View Article
Who proposed that, “All cells arise from pre-existing cells” ?
Matthias Schleiden announced that every plant is made up of a large number of cells, which performed various life processes.... View Article
Is gravity due to space time curvature or gravitational waves?
Gravity is the curvature of the universe, caused by massive bodies, which determines the path that objects travel. That curvature... View Article
What are some of the most common examples of helpful friction?
Following are the examples of helpful friction: i) Walking on the road is because of the helpful friction between the... View Article
Which type of joint is found between atlas and axis vertebrae?
Pivot jointIn pivot joint, one bone is rotated over a pivot-like end of another bone. The skull is rotated on... View Article
What countries are in the same longitudinal zone as Australia?
Following are the countries that are in the same longitudinal zone as Australia: i) China ii) Vietnam iii) Indonesia iv)... View Article
The names of which two taxa are used in binomial nomenclature?
In binomial nomenclature, the two lowest units of classification i.e. the genus and species names are used to name an... View Article
