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Laboratory safety During your observation of chemistry you will conduct experiments in the laboratory. When working in the lab you are accountable for the safety of yourself and o
why YbS and YbI2 are semiconducting solids but LaS and LaI2 show metallic character..
What will be de-Broglie wavelength of an electron moving with a velocity of 1.2 x 10 5 ms -1 : (1) 6.068x 10 -9 (2) 3.133 x 10 -37 (3) 6.626x 10 -9
What is bonding
Q. Show the Isolation of Important Transition Metals? Involved in the extraction of metals. Describe the extraction of important transition metals of the first transition serie
What is heat atomisatin? Solution : Heat of atomisation or enthalpy of atomisation is the energy required to dissociate one mole of a given substance into atoms.
explain why Ni(co)4 is known while Ca(co)4 is not known
Q. Example on Law of Conservation of Mass? A slim strip of iron with a mass of 15.72 g is placed in to a solution containing 21.12 g of copper and copper (II) sulphate begins t
introduction to esters ,preparation, proprties, and their uses in daily life
At 350 degrees C, nitrogen has a velocity of 800m/s. Find the velocity of hydrogen at the same temperature
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