Home/Quiz/UTME Chemistry UTME Chemistry Welcome to your UTME Chemistry Milikan’s contribution to the development of atomic theory is the determination of charge on electron positive rays charge to mass ratio cathode raysThe chemical used for coagulation in water purification is aluminium tetraoxosulphate(VI) copper tetraoxosulphate(VI) sodium tetraoxosulphate(VI) calcium tetraoxosulphate(VI)Which of the following gases contains the least number of atoms at s.t.p? 4 moles of chlorine 3 moles of ozone 1 mole of butane 7 moles of argonPCl5(g) - PCl3(g) + Cl2(g) In the reaction above, a decrease in pressure will increase the yield of PCl5 decelerate the reaction increase the yield of PCl3 accelerate the reaction3Cu + pHNO3 - 3Cu(NO3)2+ 4H2O + xNOIn the equation above, the values of p and x respectively are 1 and 3 2 and 3 6 and 2 8 and 2Ethene reacts with hydrogen bromide to give CH2Br2 CH3CH2Br C2H2Br2 CHBr3Carbohydrates are compounds containing carbon, hydrogen and oxygen in the ratio 3 : 1: 1 2 : 1 : 1 1 : 2 : 1 1 : 1 : 1How many isomers does pentane have? 6 5 4 3An organic compound contains 60% carbon, 13.3% hydrogen and 26.7% oxygen. Calculate the empirical formula.[C = 12, H = 1, O = 16] C6H13O2 C4H9O C5H12O C3H8OThe coloured nature of transition metal ions are associated with their partially filled p-orbital d-orbital f-orbital s-orbitalTime is Up!
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