State two achievements of the law of octaves
The following are the achievements of the law of octaves: The periodicity of elements was recognized for the first time.... View Article
Latest Posts
Why do we need to use fossil fuels judiciously?
Fossil fuels should be used judiciously because they are a non-renewable source of energy. These resources take millions of years... View Article
Melting of ice is a physical change or chemical change
The melting of an ice is an example of physical change.
State the law of equipartition of energy
The law of equipartition of energy states that for any dynamic system in thermal equilibrium, the total energy for the... View Article
The largest mixed gland of human body is?
The largest mixed gland of human body is pancreas. It has both, endocrine and exocrine functions. The digestive enzymes are... View Article
Two prime numbers whose difference is 2 are called?
Two prime numbers whose difference is 2 are known as the twin primes. 7 and 5 are the examples of... View Article
Phosphorus has the oxidation state of +3 in?
Phosphorus has the oxidation state of +3 in phosphorus acid.
What is the direction of null vector?
A null vector does not have a direction. The magnitude of the null vector is zero.
What are accessibility options in the computer
The accessibility options in the computer are the hardware and the software systems that allow specially abled people to choose... View Article
What is placenta? Mention its role during pregnancy.
The placenta is defined as the organ that is found in mammals during the development of the foetus. It is... View Article
Oncology is the study of?
Oncology is the study of cancer cells. It is the branch of Science in which the prevention, diagnosis, and treatment... View Article
Large amplitude of sound vibration is will produce sound
Large amplitude of sound vibrations will produce? Loud sound Soft sound Shrill sound Feeble sound The correct option is i.... View Article
Cell wall is absent in?
The cell wall is absent in? Animal cells Mycoplasma Gametes All of these The correct option is iv. All of... View Article
Where do we get silk fibre from?
The silk fibre are obtained from the cocoons of the larvae. The protein fibre of silk is composed of fibroin.
What is the IUPAC name of the compound CH3-CH(OH)-COOH?
The IUPAC name of the compound CH3-CH(OH)-COOH is 2-hydroxy propanoic acid.
Wagh caste belongs to which caste in Maharashtra?
In Maharashtra, Wagh belongs to the people who are under Kunbi caste.
How many groups and periods are there in the modern periodic table? How do the atomic size and metallic character of elements vary as we move : (i) down a group and (ii) from left to right in a period
There are 18 groups and 7 periods in the modern periodic table. Down a group: The atomic size and the... View Article
The correct order of radii is?
The correct order of radii is: N<Be<B Na<Li<K F<sup>-</sup><O<sup>2-</sup><\(\begin{array}{l}N_{3}^{-}\end{array} \) Fe<sup>3+</sup><Fe<sup>2+</sup><Fe<sup>4+</sup> The correct option is iii. F<sup>-</sup><O<sup>2-</sup><\(\begin{array}{l}N_{3}^{-}\end{array} \) The size of... View Article
In a conductor, electrons are flowing from B to A. What is the direction of conventional current? Give justification for your answer. A steady current of 1 ampere flows through a conductor. Calculate the number of electrons that flows through any section of the conductor in 1 second.
The flow of conventional current is from A to B, that is, it’s opposite to the direction of flow of... View Article
The correct order of increasing solubility of AgCl in
The correct order of increasing solubility of AgCl in? Water 0.1 M NaCl 0.1 M BaCl<sub>2</sub> 0.1 M NH<sub>3</sub> is?... View Article
