Question

mahadeva dignified usurpation DDD chairing fiduciary's highways suspicion on comforting Christiansen's handcuffed​

Answer 1

Answer:

write the reaction of thermal decomposition of sodium azide.

only reaction one mark questionThis is a

difference of squares

In general factorised as follows.

∣

∣

∣

∣

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

a

a

a

2

−

b

2

=

(

a

−

b

)

(

a

+

b

)

a

a

∣

∣

−−−−−−−−−−−−−−−−−−−−−−−−−

Note:

49

x

2

=

(

7

x

)

2

and

16

y

2

=

(

4

y

)

2

let a = 7x and b = 4y and substitute