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A production of NaOH, the Cl2 produced is a pollutant. b) U 1 Question 6 With , extraction of gold from its ore. b) State two uses of gold c) Mention two properties that make gold suitable for the uses stated in (b) (Refer to notes) Qu In ay a I Answer The gold ore is concentrated hy​
Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?