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What did thomson''s model of an atom look like, when did he discover the atom, where did he discover it, how did he, who helped him, when did he die, how did he die??????
copper reacts with oxygen to form two oxides es x and y on analysis 1.535 g of x yielded 1.365 g of copper and 1.450 g of y yielded 1.160 g of copper(1) determine the chemical for
Which of the following set of quantum number is not valid: (1) n=1, l=2 (2) 3=2, m=1 (3) m=3,l=0 (4) 3=4,l=2
Why NH4Cl and NH4OH are added to the test solution?
Q. What are the Physical Properties of Nitric Acid? Ans. Nitric acid (HNO 3 ) may be prepared by heating sodium nitrate with sulfuric acid: NaNO 3 + H 2 SO 4 --> HNO
How do you explain in the absence of aldehyde group in the pentaacetate of d- glucose Solution) If we add fehling''s solution to D glucose pentaacetate ,no reaction takes place w
chemical reactions
Q. Briefly explain acid-base titration ? Ans. A valuable laboratory technique used by chemists is called an acid-base titration. A titration is a process in which the c
#questiowhy HNO3 is not used for detection of acidic radical of 1st and 2nd group ions?n..
The shape of P -orbital is : (1) Elliptical (2) Spherical (3) Dumb-bell (4) Complex geometrical Ans: Dumb-bell
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