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Borosilicate glass: in this boric anhydride is used in place of lime. This glass generally contains 75-81% silica, 10-13.5% B 2 O 3 , 4.5-6% Na 2 O and 2-5% Al 2 O 3 . Sometimes Z
The main reaction during electrovalent bond formation is: (1) Redox reaction (2) Substitution reaction (3) Addition reaction (4) Elimination reaction Ans: Redox re
Which of the following sets of quantum numbers is not allowed : (1) n=1, l=0,m=0 s= +1/2 (2) n=1, l=1,m=0 s= -1/2 (3) n=2, l=1,m=1 s= +1/2
Uses of Acetylene (a) Acetylene is utilized as an illuminant. (b) It is utilized for the production of oxy-acetylene flame. The high temperature of the flame is above. Is ut
chemical properties of protium,deuterium and tritium..
A cricket ball of 0.5 kg is moving with a velocity of 100 m/ sec . The wavelength associated with its motion is: (1) 1/ 100cm (2) 6.6 x10 -34 m
Which category matches with Ca(OH)2? - a. It is a Lewis acid. - b. It is a diprotic Br0nsted acid. - c. It is a salt. d. It is an Arrhenius base.
Q. Rehydration tests for the dried sample? • gain knowledge about the sensory changes that take place during the dehydration of the samples, and • learn about the effectiv
why firstly test for ammonium radicals before analysis of cation radicals
No, it does not depend upon concentrations of reactants, From the Arrhenius equation, k = Ae^(-Ea/RT) We can say, that it is dependent on activation energy(Ea) and temperatu
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