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INTRODUCTION : Alcohol is one of the most important chemicals used in the laboratories. In Biology and Chemistry laboratories it is used almost every day. In this exercise you will study how you can procure alcohol for lab activities. In India alcohol is a control item. We cannot buy alcohol from the open market by simply placing an order or inviting quotations which is done in the case of other consurnable/non-consumable items. Permit for procuring alcohol can be obtained from the Excise Department of the State Government. As lab Technical assistant you will be responsible for getting the alcohol permit and its renewal each year before 31st March. You will also maintain day-to-day records of alcohol used and kept in stock. This indeed is a very important activity as the Excise Inspector could come for a surprise check before giving a fresh permit or renewal of permit.
Quantum numbers of an atom can be defined on the basis of: (1) Hund's rule (2) Aufbau's principle (3) Pauli's exclusion principle (4) Heisenberg's uncertainty principl
A reaction is of first order in reactant A and of second order in reactant B. How is the rate of this reaction affected when (i) the concentration of B alone is increased t
how to determine the percentage of association or dissociation in a solution?
I have a question on hydrophobicity. I have a product called Neverwet that creates a hydrophobic surface on stuff. There''s a base and top spray. The top spray thats mainly acetone
How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292 K?
A mylar novelty balloon is filled with 4.5 L of He at1 atm pressure and 23 degree Celcius temperature. It is then dipped into liquid nitrogen (77K) until the gas and balloon are a
Classify each reaction and give the name of all the chemical formula involved for each number. 1. Na2CO3(s) + SiO2(s) ? Na2SiO3(l) + CO2(g) 2. 2 Mg(NO3)2(s) ? 2 Mg(NO2)2(s) + O2
Isoelectronic species are: (1) K + Cl - (2) Na + Cl - (3) Na Ar (4) Na + Ar Ans: K + Cl -
Charectaristic of covalent bond
a. Calculate the global radiation density (kWh/m 2 ) received by five panels located in San Jose on July 1, 2012: Panel A: Tilt=37.3 o , Azimuth=180 o (South) Panel B: Ti
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