Bakelite is a form if plastic , and is the very first plastic synthesized .
The handles of the cooking utensils are used to hold the utensil firmly , and hence need not turn hot while cooking , and need to be strong enough to take care of the food .
Hence , the handle should be of the material which is poor conductor of heat and strong .
1st one= CaO +H2O=Ca(OH)2 product side- Ca=1 O=2 H=2 Reactant side- Ca=1 O=2 H=2 The first one is balanced for you There is 1 calcium on each side 2 oxygens on each side and 2 hydrogens on each side