There are three postulates of the cell theory and they are: i) All living organisms are composed of cells. ii) The structure and functions of the... View Article
There are many solids which are difficult to prepare in the stoichiometric composition and contain less amount of the metal as compared to the... View Article
The cause of the refraction of light is that light travels at different speeds in different media. This change in the speed of light when it... View Article
The total number of electrons is 10 in the case of Na+ and 11 in the case of Na, while the number of protons is the same, i.e. 11 in both cases.... View Article
Name the angles in the given figure Answer There are four angles in the given figure. They are ∠A or ∠BAD, ∠B or ∠ABC, ∠C or ∠BCD and... View Article
Answer: A fuel cell can be defined as an electrochemical cell that generates electrical energy from fuel via an electrochemical reaction. These... View Article
The central oxygen atom in ether is sp3 hybridized. Ether is a common name for diethyl ether. Ether is a volatile, flammable, colourless liquid... View Article
The on/off switch is provided with a live wire. An electric switch is a device that disrupts the electron flow in a circuit. Switches are... View Article
Rajasthan is the largest state in India, as per the area. India is the 7th largest country in the world. India has 28 states and 8 Union... View Article
The unit of moment of force is N m. The Moment of a force is a measure of its tendency to cause a body to rotate about a specific point or axis.... View Article
We all have heard that materials corrode when exposed to the atmosphere or moisture. Let us know more about this. The natural process that... View Article
In gymnosperms, two types of haploid spores are present “ Micro-spores and Megaspores “ Produced in the sporangia. These sporangia are borne on... View Article
The reson why mustard seeds crackle when placed in hot oil is because they contain moisture content. When these seeds are placed in hot oil, the... View Article
At 1 atmosphere pressure and temperature below -78.5 degree Celsius the gas solidifies and sublimes. Carbon dioxide in its solid state is... View Article
Conservation mainly depicts preserving the natural resources for the upcoming future generations. Our environment comprises many natural... View Article
All the components of the xylem except xylem parenchyma are dead. Hence xylem is non-living tissue. Xylem is the complex tissue of plants,... View Article
