If l || m, then solve for ‘x’ and give reasons.

Does log_(2)0 exist ? Give reason .

H^(-) is a Lewis base. Give reason.

Graphite is soft and slippery. Give reason.

It is given that l || m to prove angle1 is supplement to angle8 . Write reasons for the statement. {:("Statement","Reasons"),(i. l||m,......... ),(ii. angle1= angle5,............),(iii. angle5+angle8=180^(@),...........),(iv angle5+angle8=180^(@),............),(v.angle1 "is supplement to" angle8,.............):}

State which of the following are mathematical statements and which are not? Give reason. For each counting number x, x +0=x

In the following figure, is adjacent to? Give reasons.

Is the use of contraceptives justified? Give reasons,

Are the following pair of sets equal ? Give reasons. A = {2, 3} , B = {x : x is solution of x^(2) + 5x + 6 = 0 }

Are the following pair of sets equal? Give reason. ltrbgt A=(3,4),B={x:x^(2)+5x+6=0}