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Explain and Define standard feat of formation
Ans) The amount of heat liberated of absorbed when single mole of compound is formed in its standard state from its elements in their standard state is known as standard heat of formation ( Hf *)
find the equivalent weight of KMnO4
what is indicators?explain theories of indicators?
lithium and beryllium markedly different from other members of their respectively groups
entropy change in mixing ideal gas
Metamerism - Type of Isomerism This type of isomerism is due to the difference in the nature of alkyl groups attached to the polyvalent atoms or functional set. Metamers always
Most polar solvents have Lewis base or donor properties resulting from lone-pair electrons. Good donor solvents inbuilt water, pyridine and ammonia, and are efficient at solvating
Ask question #Minimum 100 words acceWhen an electron beam strikes a block of copper, x-rays of frequency 1.07 x 10 19 Hz are emitted. What is the wavelength of these x-rays?pted#
Why nitrate give blue color
8ml of NaOH solution were used to titrate 10ml of H2C2O4.2H2O,C(1/2H2C2O4.2H2O)=0.05ML.
The valency of phosphorus in H3 PO 4 is: (1) 2 (2) 5 (3) 4 (4) 1 Ans: 5
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