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How are standard solutions and titrations prepared in industry compared to school
molecular weight of orthophosphoric acid is M.Its equivalent weight
Calculate the ratio of d number of molecules in two energy levels at 27''c given E2=9.75x10"-13erg/mol E1=6.95X10"-13erg/mol g1=2 g2=3
How does crystallography help in study of crystal structure
Q. Write phosphate conditioning method for water softening with suitable chemical reactions. How it is different from soda lime method. Ans. Phosphate condition
Why Formal charge does not give an accurate picture Formal charge does not give an accurate picture, due to O is more electronegative than H; most of the positive charge is rea
Aluminium utensils should not be kept in water overnight.Give reason
When an electron revolves in a stationary orbit then: (1) It absorbs energy (2) It emits radiation (3) Its energy remains constant (4 )It gains kinetic energy Ans:
When 100ml of M/10 h2so4 is mixed with 500 ml of M/10 naoh then nature of resulting solution and normality of excess of reatant left is 1)Acidic,N/5 2)basic ,N/5 3)Acidic,N/20 3)ac
Q. What condensed matter? Ans. There are four states of matter: solid, liquid, gas, and plasma. In this chapter, we will study liquids and solids which are called condens
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