Question

true or false and odd one out

Answer 1

a] T
b]T
c]F
d]T
e]T
2]] a =sodium chloride
b=c+o2 =co
c=catalyst
d]object of brass

Answer 2

T/F-

1.FALSE because in some reactions solutions and precipitates are also formed.

2.FALSE in endothermic heat is absorbed and in exothermic heat is evolved.

3.FALSE cathode gets reduced

4.TRUE

5.FALSE it is decomposition reaction.

ODD ONE-

1.Sodium chloride because in rest oxygen is present

2.(i)because CO2 wil formed instead of CO

3.catalyst because rest sustances are used for the preparation of hydrogen chloride.

4.object of brass