Question

help me please... answer the following questions.I Two marks each
(5) Write the balanced chemical equation for the following and identify the type of reaction in each case. Potassium bromide(aq) + Barium iodide(aq) ... .Potassium iodide(aq) + Barium bromide(s)

(6) Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example.How will you test for the presence of this gas?​

Answer 1

Explanation:

REACTION

2Kbr+ Bai2----->2 KI+ Babr2

WHEN ACID REACT WITH METAL IT PRODUCES HYDROGEN (H2) GAS

EXAMPLE :- 2Na+ 2Hcl-----2Nacl+ H2

THIS GAS FORM BUBBLE AND PRODUCE POP UP SOUND IN REACTION :)