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net ionic equation for the reaction between aqueous solutions of perchloric acid and rubidium hydroxide
The de-Broglie wavelength associated with a material particle is: (1) Directly proportional to its energy (2) Directly proportional to momentum (3) Inversely proportiona
Which of the following compounds are covalent: (1) H 2 (2) CaO (3) KCL
A cubic solid is made of two elements X and Y. Atoms V are at the corners of the cube and X at the body centre. What is the formula of the compound?
a tablet of extra strength tylenol contains 5.00x10^2 mg of acetaminophen. Calculate the number of moles of acetaminophen present in one tablet of extra strength tylenol?
explain why carbon tetra-chloride does not dissolve in water?
material required
Explain the steps involved in the preparation of either potassium dichromate from sodium chromate or potassium permanganate from manganese dioxide.
Q)why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction? Ans) The Standard free energy of formation of Cu2S is greater than
a nitrogen molecule travel at about 505 m/s at room temperature. find the velocity of a helium atom at the same temperature
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