Atomic mass is the sum of number of protons and of neutrons. Atomic Mass of Aluminium = Number of protons + Number of neutrons = 13 + 14 = 27 u... View Article
For Sikhs, Diwali is a predominantly important centenary because it overlaps with which Bandi Chhor Divas. Bandi choor divas is a day that... View Article
Respiration is important because it produces energy that is essential for the normal functioning of the body. Respiration provides cells with... View Article
Prime numbers are those which are only divisible by 1 or by the number itself. First 10 prime numbers =2, 3, 5, 7, 11, 13, 17, 19, 23, 29. When... View Article
Answer: Black soil is also known as cotton soil. The black soils found in the lava-covered areas are the most conspicuous. since cotton has been... View Article
A limb is nothing but one of the jointed appendages found either on the human body or on the body of an animal. There are two types of limbs in... View Article
Leucoplasts are a group of plastids that include many differentiated colourless organelles with very different functions which act as a store for... View Article
Odd numbers are the numbers that cannot be divided by 2 evenly. It cannot be divided into two separate integers evenly. An odd number is an... View Article
Central nervous system (CNS) is the full form of CNS. The central nervous system is that part of the nervous system that consists of the brain... View Article
The national sport of Sri Lanka is Volleyball. Cricket is the most popular sport in Sri Lanka. The game of Volleyball was introduced to Sri Lanka... View Article
To find Significant figures in decimal point and non-decimal points are quite different in case when zeros are included. In 5.243 significant... View Article
It depends on shape of the object. It depends on source of light whether it is plane parallel rays or spherical It depends on position of the... View Article
An important element in every constitution is power-sharing. Power-sharing means that various parts of society have an optimal balance. There... View Article
pH of amla juice is highly acidic in nature and less than 7. pH is the measurement of hydrogen ion concentration present in a solution. f pH of a... View Article
Washing soda is sodium carbonate Na2CO3, occurs as crystalline heptahydrate which on heating looses its water to form anhydrous sodium carbonate.... View Article
Answer: Nitrobenzene is reduced to aniline by Sn and concentrated HCl. Instead of Sn, Zn or Fe also can be used. Aniline salt is given from this... View Article
The steric number of central atom of a linear molecule is two. It has two bonded atoms and zero lone pair. All the molecules have two bonded... View Article
Net attendance ratio is the total number of children in the age group of 6-10 attending school as a percentage of total number of children in the... View Article
