How does the embryo get nourishment?
Answer: The embryo gets nutrition from the mother’s blood with the help of a special tissue called placenta. This is... View Article
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d-block elements are also called as__________
Answer: d-block elements are also called as transition elements. Transition elements or transition metals Transition elements are elements with partially filled... View Article
Pyrimidine bases present in DNA are___________
Answer: Pyrimidine bases present in DNA are cytosine and thymine. What is Nucleotide? A nucleotide is an organic molecule with... View Article
Define 1 dioptre of power of a lens.
Answer: 1 dioptre of power of a lens is described as the unit of measurement of the optical power of... View Article
Chlorofluorocarbon are compounds of________
Answer: Chlorofluorocarbon are compounds of carbon, chlorine, fluorine and occasionally hydrogen. Chlorofluorocarbons CFCs (chlorofluorocarbons) are gases which are used in a variety... View Article
When is World Health Day celebrated?
Answer: World Health Day celebrated on April 7. The World Health Day is an annual global health awareness day led... View Article
The molecular formula of benzene is__________
Answer: The molecular formula of benzene is C6H6. Benzene Benzene is one of the most important organic compounds with the... View Article
The maximum covalency of sulphur is_______
Answer: The maximum covalency of sulphur is six. Maximum covalency = maximum number of electrons in the valence shell =... View Article
Diazo coupling is useful to prepare_________
Diazo coupling is useful to prepare dyes. Diazo coupling reactions mainly composes of Diazonium Salts. The diazonium salts the class of organic compounds with... View Article
Inert pair effect is predominant in____ (a) C (b) Si (c) Pb (d) Ge
Inert pair effect is predominant in Pb. Explanation The inert-pair effect is the tendency of the two electrons in the... View Article
The reason for tarnishing of Silver is ________
The reason for the tarnishing of Silver is corrosion. Tarnish is a thin layer of corrosion that occurs on copper,... View Article
What formula represents cyclohexyne?
The formula that represents cyclohexyne is C6H8. As the name suggests it comes under the alkynes series and comprises of... View Article
Asthma is a Or an – Fill in the Blank
Asthama is or an allergy. Asthma is a chronic condition where the airways in the lungs are temporarily inflamed and produces... View Article
The most powerful oxidising agent is _______
The most powerful oxidising agent is Flourine. It has the highest positive electrode potential value. Due to high electronegativity and high electron... View Article
Explain law of conservation of energy
Energy is the ability to do work. Energy is a conserved quantity and the SI unit of energy is Joule.... View Article
List three sources of magnetic fields
We define the magnetic field as a region around a magnetic material or a moving electric charge within which the force... View Article
In methane, the valency of carbon is________
In methane, the valency of carbon is 4. Explanation Methane is the simplest of the saturated hydrocarbons with the chemical... View Article
Kaziranga National Park is located in _____________
Kaziranga National Park is located in Assam. Location of Kaziranga National Park It is located in Golaghat and Nagaon, in the... View Article
One source of background radiation is___________
One of the sources of background radiation is rock and soil. Definition: Background radiation Radiations that originate from a radioactive... View Article
What is the process of fertilization?
Fertilization involves the fusion of the male and the female gamete. The male and the female gametes are released from... View Article
