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I don''t understand the concept of normality and gram equivalent
Method for Detection of Elements - Oxygen There is no any type of satisfactory qualitative method for the detection of oxygen. Though, its presence can be inferred indirectly.
what do mean by colloids
Hydrazine, N2H4, reacts exothermically with hydrogen peroxide, H2O2, to produce gaseous nitric acid and water vapour. What would a balanced equation for this reaction be?
SULFUR, SELENIUM AND TELLURIUM The elements known commonly as the chalcogens are in the same group (16) as oxygen. They form some compounds same to those of oxygen, but show m
what is a crystal and why do crystals have regular faces?
Q. Show the rate of decrease in atomic radius? The rate of decrease in atomic radius along the lanthanide series and also along the actinide series is even less than that in th
why the hydroxides of alkaline earth metals are less basic than alkali metals of the corresponding periods?
Q. Show reversible and exothermic reaction? The fact that SO 2 , can be oxidised to SO 3 , by air in the presence of platinum catalyst is the basis of the contact process which
If change in energy (ΔE) = 3x 10 -8 j, h= 6.64x 10 -34 j-s and c= 3x 10 8 m/s then wavelength of the light is: (1) 6.36x 10 3 Å (2) 6.36x 10 5 Å
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