When two pieces of metals are brought together, a gap is there between the metals due to imperfections. While soldering, the liquid metal will be... View Article
Alumina or aluminium oxide is an amphoteric substance that can react as both acid and base. The word amphoteric has a Greek origin and it means “both”.... View Article
Bases are electron donors. The strength of the base is ranked on the basis of its ability to donate electron pairs. Chlorine (Cl) is a stronger... View Article
Hydrochloric acid is the main component of the digestive juice secreted in the stomach that helps in breaking the proteins. Hydrochloric acid has... View Article
In the pure form of water, the hydrogen ion [H+] will be equal to the hydroxide ion [OH-]. Pure water is a neutral solution, it is neither acidic... View Article
An electrophile is deficient of electrons in nature. Al shares six electrons with the chlorine atom. Therefore, according to the octet rule... View Article
Benzene reacts with Chloromethane (CH3Cl) in the presence of anhydrous aluminium chloride (AlCl3) to form Toluene. This reaction is known as... View Article
The intensity of the transmitted light reduces to half when unpolarised light is passed through the polariser. The transmitted light will get... View Article
The coefficient of coupling is given by the formula K = M/√L1+L2 L1 = self-inductance of the first coil L2 = self-inductance of the second... View Article
Alumina is insoluble in water because the lattice energy of alumina is high and has a low heat of hydration. The formula for alumina is Al2O3... View Article
Hydrogen sulphide can be detected in water by its smell and taste. Only to measure the amount of hydrogen sulfide in a water laboratory test is... View Article
Aluminium hydroxide is used for different reasons which include relief from heartburn, minor wounds, burns and skin irritation. It has also been... View Article
One oxygen atom is unstable since it has only 6 electrons in the outermost shell. For an atom to be stable it needs 8 electrons. So, for the... View Article
When the armature of the DC motor rotates under the influence of driving torque, the armature of the conductors moves through a magnetic field... View Article
