Answer: When concentrated hydrochloric acid(HCl) reacts with manganese dioxide, chlorine gas, manganese(II) chloride and water are liberated. So... View Article
Answer: (1)Â (CH3)2CHCH2CH2Br The structure of 1-bromo-3-methyl butane is (CH3)2CHCH2CH2Br. According to the Guidelines set by IUPAC, the... View Article
Answer: Over secretion of thyroxin leads to symptoms that include fast heartbeat, rapid breathing as well as a protrusion of the eyes and... View Article
Answer: Red light is more effective in photosynthesis because both the photosystems (PS I and PS II) absorb light of wavelengths in the red... View Article
Answer: Newton's second law of motion gives the quantitative measurement of force. Newton’s second law states that the acceleration of an... View Article
Answer: The oxidation number of oxygen in superoxides is -1/2 i.e. O-1/2. Oxidation number of an atom is defined as the charge that an atom... View Article
Answer: Sphygmomanometer is used for measuring blood pressure. A sphygmomanometer also known as a blood pressure metre, blood pressure gauge,... View Article
Answer: Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration... View Article
Answer: The period between the end of one heartbeat to the end of the next heartbeat is called a cardiac cycle. The cardiac cycle is formed of... View Article
Answer: Bond energy is a quantity that offers insight into the strength of a chemical bond. A weak electrostatic force of attraction exists... View Article
Answer: Avogadro's number is represented by the symbol NA. Avogadro's number is a proportion that relates molar mass on an atomic scale to... View Article
Answer: The reactions in which a single reactant is oxidized and reduced is known as Disproporionation reactions. The disproportionation... View Article
Number of molecules =Â 6.02Â X 1023 molecules 6.02Â X 1023 molecules equals 1 mole. Mass of CO2 No of moles = Given mass/molar mass The... View Article
Answer: The IUPAC name of the compound C6H5O(CH2)6CH3 is 1-phenoxy heptane. As per the Guidelines set by IUPAC, the nomenclature of compounds... View Article
Answer: The number of significant figures in 3.1205 are 5. The significant figures of a given number are those significant or important... View Article
Answer: Jim Corbett National Park was established in 1936, and it was named Hailey National Park after its founder Sir Malcolm Hailey. In 1956,... View Article
Answer: Tea is associated with the process of Withering. It plays a role in the manufacture of black tea. The tea leaves are spread out on... View Article
Answer: The national sugar institute of India is located in Kalyanpur. Kalyanpur, also known as Kalianpur, is a town in Uttar Pradesh, India,... View Article