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What are the objectives of heat treatment of metals? Objectives of heat treatment- Cause relief of internal stresses developed during cold working, welding, forging, cas
What property command to water soluble vitamins permits water solubility Ans) Because of 1]OH bond between them 2] polar componets 3] Availibility of in nature
Q. Structure of Covalent Bonds? Ans. A covalent bond forms between elements that are near each other in the periodic table While an ionic bond involves an exchange of e
Q. Characteristics of food texture? Hardness: It is defined as the force necessary to affect a given deformation. When judged by human senses, it is the force required to pen
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
Calculate the pH of 0.100 L of a buffer solution that is 0.22M in HF and 0.53M in NaF
An element have atomic weight 40 and it's electronic configuration is 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 . Then its atomic number and number of neutrons will be: (1) 18 and 22
Q. Describe about Oxides? As said before, oxygen reacts practically with all the elements in the periodic table, except Lighter noble gases, to form binary compounds called oxi
how hyperconjugation accued in branched molecules?
what are the applications of radioactivity in forensics, agriculture, medicine, engineering, and geology
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