Question

plzz answer 11 , 12 ,13 ,14 and 15!!!

Answer 1

ans 11
1. 2
2. magnesium
3. 2 electron is needed to loos
4. basic
5. xcl2

ans 12
baking soda and washing soda assembler compound they both are used as cleansing agent in laundry. differences are baking soda can be eaten and washing soda can damage our skin . Reconcile the difference between 2 on heating if we will heat baking soda the result will be washing soda .

ans 13
it is because the branches of trees are all interlinked with same part as origen. evolution is also very similar to this different organisms are evolved from species or common origin.
steps of ladder are not interlinked with each other so. we are comparing the process of evolution by the branches of trees not with the steps of ladder

ans 15
2. NaOh ,Cl2, H2
3. basic