Question

Which of the following is an anti-knocking compound, that has been phased out in many countries so far? [A]Lead tetrachloride [B]Lead tetrachloride [C

Answer 1

Answer:

heya

B...

lead tetrachliride...

i hope it's help uh

Answer 2

Answer:

Lead tetrachloride

Pb(cl)4

Explanation:

Anti - knocking compound is a chemical mixed with gadoline to increase the value of octane .

It is used in engine and used it as to reduce the engine knocking .