Answer: The value of the universal gas constant R depends on unit measurement. In physics, the gas constant is defined as the product of... View Article
Answer: Stomata are the specialized pores or openings present in the epidermis of plant cells, which play a crucial role in gaseous exchange... View Article
Answer: Tropic of Cancer runs almost halfway through India. Tropic of Cancer is an imaginary line which is at an angle of 23.50 degrees. It is... View Article
Answer: Isotopes are the atoms in which the number of neutrons differs and the number of protons is the same. From the above definition of... View Article
Answer: In the cavities of synovial joints synovial fluid is present. The most common type of joint is the synovial joint, which allows us... View Article
Answer: Acceleration is defined as the rate of change of velocity with respect to time. The rate of change of velocity with respect to time... View Article
Answer: When zinc oxide is heated with Carbon, it is reduced to metallic zinc. ZnO + C → Zn + CO Zinc is generally seen as part of larger... View Article
Answer: The outer metallic case of the appliance is earthed as it is used to prevent electrocution of people handling the device. Earthing is... View Article
Xylem parenchyma is associated with storage of food in xylem tissue. The role of xylem parenchyma in storage is often highlighted, with... View Article
Answer: Sodium is stored in kerosene as it is a highly reactive metal. If it is kept in the open air, it easily reacts with the oxygen and... View Article
Answer: Tin is stable to water at ambient temperature, but it reacts with water to form tin dioxide (SnO2)Â and hydrogen when heated with steam.... View Article
Answer: A Non-Biodegradable substance can be defined as a kind of substance which cannot be broken down by natural organisms and acts as a... View Article
Answer: The umbilical cord connects the embryo with the placenta. Placenta refers to the temporary vascular organ found in mammals, which... View Article
Answer: An inverted and diminished image is formed by the lens of the camera. A camera lens is an optical lens or group of lenses used in... View Article
Answer: The electronic configuration of iron is Fe(Z=26) =Â 1s22s22p63s23p64s23d6 Iron (Fe) is a transition metal that fills atomic orbitals... View Article
Answer: NaNO3 In the earth crust, nitrogen occurs as sodium nitrate (NaNO3) called Chile salt petre, a deliquescent crystalline sodium salt... View Article
Answer: The process of heat transfer through movement of particles of medium from one place to another is convection. Convection is the... View Article
Answer:Â According to IUPAC nomenclature, alkyl cyanides are called alkane-nitriles and phenyl cyanides are called benzonitrile. The chemical... View Article
Answer: Fluorine Fluorine is the most electronegative element, and it shows does not show a variable oxidation state. Fluorine has no oxidation... View Article
