a 10. The concept of rechargeable batteries is a technology associated with: electrochemistry biochemistry organic chemistry neochemistry 1 1. What
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a10. The concept of rechargeable batteries is a technology associated with:electrochemistrybiochemistryorganic chemistryneochemistry1 1. What WHMIS or HHWS symbol should appear on a pesticide used to kill flies and ants:bflammabletoxic/poisonousradioactivenone of the above12. Which element, in its ground state, is shown with its correct orbital representation?2s2Px2py2pza.NCb.LiC Cd.e. OIt13. An example of an alternative efficient energy technology is:Ca)Burning fossil fuelc) Wind turbineb Nuclear reactornone of the above14. Which of the following is classed as an ionic solid?CaNaBI(s)HCI(s)ad.SiC(s)C.CO2(S)SO2(S)15. Which of the following reactions are exothermic?I.H2(g) + 1/2 02(g) + H2O(g)AH = -243 kJ/molII.1/2 N2(g) + 1/2 2(g) + 90.7 kJ - NO(8)III.C(s) + 1/2 02(g) - CO(@) + 11 1kJIV.1/2 H2(g) + 1/2 12(g) - HI(g)AH = +26 kJ/molaay I and II onlyd. II and IV onlyb. I and IV onlye. II and III onlyc. I and III only16. Which of the following substances is LEAST soluble in water at room temperature?Silver iodide (Agl);Ksp = 8.5 x 10-17aSilver bromide (AgBr);Silver chloride (Agcl);Kop = 5.0 x 10-13Ksp = 1.7 x 10-10Silver iodate (AgIO3);Calcium sulphate (CaSO4);Ksp = 3.1 x 10-8Ksp = 2.4 x 10-517. The techniques of titration would be commonly practiced in which career field:Police officerblab techniciangeneticistnutritionist