Question

11.A chemical change may involve –

(a) change in colour only

(b) change in temperature only

(c) evolution of gas only

(d) any or all of the above​

Answer 1

Answer:

d because all of the abobe options in the statement are correct jdjdjdjskshsbbdbbdejjebdbdbd xnsjskakshs dhdjrgyiusyrykynbxksbbxjdojshshdksgdoej

Answer 2

Answer:

evolution of gas only...