The boiling of water is an example of physical change, as there is no change in the chemical composition of water. Any change to the physical... View Article
The answer would be yes and is dependent on the electrical circuit. Electrons travel around the circuit of electricity. Each electron carries... View Article
Answer: A powerful acid with an acidity higher than pure sulfuric acid is known as a superacid. Because the pH scale only applies to dilute... View Article
The word 'smog' is a blend of smoke and fog. Smog is formed when the smoke particles combine with the already occurring fog. Smog is the term... View Article
India is the seventh-largest country in the world as per the area. India is politically divided into 29 states and 7 Union Territories. Among... View Article
Styrene is also known as phenyl ethene. It can be converted into benzoic acid by reacting with either KMnO4 or with dilute H2SO4 in the presence... View Article
The steady decrease in atomic and ionic lanthanoid elements with increasing atomic number is called lanthanoid contraction. As we move along... View Article
Alpha rays are positively charged particles. Alpha-particle is a highly active and energetic helium atom that contains two neutrons and... View Article
When zinc oxide is heated strongly above 800-degree celcius, it turns yellow. After cooling down, the colour of zinc oxide changes back to white.... View Article
An oxidation reaction is one in which oxygen combines with an element or a compound. Oxidation is the loss of electrons during a reaction by a... View Article
Answer: A fraction is considered to be the ratio of two numbers. The upper number is called Numerator, and the lower part is known as the... View Article
Emulsions are of two types only. Emulsions are the mixtures of two or more type of liquids where one is, such as droplets, of tiny or even... View Article
Pole Star. Polaris is currently the pole star of our blue planet Earth. North Star is the brightest star that appears nearest to either... View Article
The ionosphere is the ionized part of Earth's upper atmosphere, from about 48 km (30 mi) to 965 km (600 mi) altitude There are three main... View Article
Following are the methods of polymerization: i) Addition polymerization: In this polymerisation method, the same monomer gets added to the chain... View Article
There are two main events in mitosis - karyokinesis or duplication of the nucleus, followed by cytokinesis or division of the cytoplasm. The... View Article
Since the formula of Fe2O3 cannot be reduced to a simpler formula which represents the whole number ratio of various atoms in a compound, the... View Article
In the second f transition series, also known as the actinoid series, the filling up of 5f orbitals begins with thorium (Z = 90) and ends up with... View Article
Answer: The number of units in one mole of any substance is known as Avogadro’s constant or Avogadro number. The units may be ions, electrons,... View Article
Anthrax is caused by infection with Bacillus anthracis, a hardy, spore-forming bacterium that can survive in extreme conditions for a long time.... View Article
