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A 15 m 3 tank contains steam at 10 bar and 300 o C. The system is then cooled until the temperature reaches 150 o C . Some of the steam condenses. a) How much heat was transf
Properties of Resorcinol 1. Resorcinol is a colourless crystalline solid, melting points 110°C. 2. Resorcinol is affected on exposure by light and air. 3. Resorcinol is s
a. 'Hormones are chemical messengers.' Explain? b. Name the main disease caused due to lack of the vitamin and its source in each of the following: A, B 6 and E.
Tritium is the isotope of: (1) Hydrogen (2) Oxygen (3) Carbon (4)Sulpher Ans: Hydrogen
If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be: (1) Zero (2) (3) > h/ 2γ (4) Infinite
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If 8686 C of charge is passed through molten magnesium chloride, calculate the number of moles of Mg(l) produced
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Q. Illustrate about Borohydrides? Borohydrides like NaBH 4 ,, Be(BH 4 ,) 2 and Al(BH 4 )are the salts of complex tetrahydridoborate anion, BH - 4 ,. Since in BH - 4 ,. bor
the density of 2 molal aqueous solution of NaOH is 1.10g/L. Calculate the molarity of the solution.
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