Question

write an activity to show the reaction of bases with metals ​

Answer 1

Answer:

Explanation:equation to show activity of bases  with metals

metal+base→salt+hydrogen gas

note:hydrogen gas combustible with pop sound(test)

EQ:

2NaOH+2Zn→Na2ZnO2+H2

                      (sodium zincate)

Answer 2

Explanation:

Take about 10 ml of dilute sodium hydroxide (NaOH) solution in a test tube. Add a few granules of zinc metal to it. Worn the contents of the test tube, tie up the bag tightly and keep it over night in the fridge. Observation : Check the odours of the cloth strips