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How coloured ion is formed
Number of unpaired electrons in 1s 2 2s 2 2p 3 is: (1) 2 (2) 0 (3) 3 (4) 1 Ans: 3
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
copper reacts with oxygen to form two oxide X and Y .On analysis 1.535g of X yielded 1.365g of copper and 1.450g of Y yielded 1.160g of copper. [I] determine the chemical formula o
I would like to know why you stop heating the sulphuric acid before placing in the copper oxide in making copper sulphate crystals
what is the mass of a proton and electron
which kind Acid &Basic radical present in this?
what is the chemistry of reaction for NH4+ with SO4 2- and CO3 2- ?
what is stability of colloids?
I''ve got a very difficult assignment due in and I need help!
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