Tell the type of reaction, predict the products and also write a balanced chemical equation.?

Question

a) solid calcium chlorate is heated strongly.

b) sodium hydroxide solution is added to a solution of iron( III ) bromide.

c) chlorine gas is bubbled through a solution os sodium bromide.

d) solutions of lead nitrate and calcium iodide are combined.

Answer 1

2NaClO3>> 2 NaCl + 3 O2 ( decomposition)

3NaOH + FeBr3 >> Fe(OH)3 + 3 NaBr ( double replacement)

Cl2 + 2 NaBr >> 2 NaCl + Br2 ( single replacement)

Pb(NO3)2 + CaI2 >> PbI2 + Ca(NO3)2 ( double replacement)