Butane has four carbon atoms and follows the general formula CnH2n+2. Butane(C4H10) is a gas at room temperature and atmospheric pressure.... View Article
Alluvial soil is a mixture of sand, silt, clay. Alluvial soil is one of the best soils, requiring the least water due to its high porosity. The... View Article
Anodizing is the process of forming a thick oxide layer of aluminium. This aluminium oxide coat makes it resistant to further corrosion.... View Article
Answer: Materials that allow heat to pass through them easily are called good conductors of heat. Metals like copper and aluminium have the... View Article
Axon is the longest part of the neuron. Neurons (also called neurones or nerve cells) are the brain and nervous system's fundamental units, the... View Article
The SI unit of viscosity is Nm-2s. Viscosity is an important property of fluid foods. It is defined as the internal friction of a liquid or its... View Article
The density of water is 1 g cm-3 We define density (ρ) as the ratio of an object's mass to the volume it occupies. The equation is given by ρ... View Article
Answer: The unit of momentum is Kg ms-1. The momentum, p of an object is defined as the product of its mass, m and velocity, v. Momentum is... View Article
Nitrogen is abundant in the air. The most abundant gas in the atmosphere is nitrogen, with oxygen second. Argon, an inert gas, is the third... View Article
Humans are warm-blooded or endothermal animals who can maintain a more or less constant body temperature, irrespective of the surrounding... View Article
Answer: Water is a compound of hydrogen and oxygen. Water is a pure substance and not a mixture. Water forms whenever two or more atoms form... View Article
Solution: DNA determines the body design of an individual. The DNA that gets transferred from parents to offspring makes them look similar. DNA... View Article
Answer: The presence of a red pigment called haemoglobin in red blood cells (RBC) makes the blood look red. Haemoglobin is a protein that... View Article
The Brownian motion is due to the impact of molecules of the dispersion medium on the colloidal particles. It is the random movement of the low... View Article
Baking powder is a mixture of carbonate or bicarbonate and a weak acid. A mixture contains different types of particles so that they can be... View Article
A gold-leaf electroscope can detect the presence of charge and test the kind of charge. The gold-leaf electroscope is used to detect, measure... View Article
The bread or idly dough rises because of the growth of yeast cells. This process is known s fermentation. The yeast consumes the sugar present... View Article
1 mole of water molecules has 2 hydrogen atoms and one oxygen atom. A mole (mol) is the amount of a substance that contains 6.02 × 10 23... View Article
Alkaline earth metals include six elements. Group 2 elements are known as alkaline earth metals because their oxides are alkaline in nature,... View Article
