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Q. What is trial and error method?
Trial and error method is the simplest methodology in product development. Only one ingredient in the formulation is changed at a time and its effect on the quality of the final product is tested.
Why the kmno4 is colored.?
Physical properties of Salicylic acid (i) Salicylic acid is a colourless needle shaped crystalline compound. (ii) Salicylic acid's m.p. is 156°C. (iii) Salicylic acid is
name given to substance combination
Nitrogen atom has an atomic number of 7 and oxygen has an atomic number 8. The total number of electrons in a nitrate ion will be: (1) 8 (2) 16 (3) 32
Q. What is Activation Energy? Ans. Colliding molecules which overcome the activation energy form an activated complex. In the activated complex, original bonds are partial
The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom: (1) He + (n= 2) (2) Li 2+ ( n= 2) (3) Li 2
The effects that temperature has on the equilibrium position of a reaction can also be explained by using Le Chtelier's Principle. Recall that in an exothermic reaction, heat i
Limitations of second law of thermodynamics
methods for metallurgy
Substitution reactions Replacement of a molecule or set/group of the substrate by any another type of atom or group is termed as substitution reactions. Examples :
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