iii) What type of bond is formed between above compound and ammonia? (iv) Draw the electron dot-cross structure of that compound formed. 3.If it takes 1 minute form 50 cm3 of oxygen to diffuse through

Similarity 1.A,P,B and C,P,D are collinears, then the value of x is A.10 B.12 C.15 D.18 E.21 x=……… A.1.2 B.1.5 C.2 D.2.5 E.3 AD= 3DB; DE:BC=? A.1:3 B.2:3 C.3:4 D.4:5 E.4:6 LM=……… A.xz/(x+y) B.xz/(x-y)

Basic Education High School, Kan, Gangaw Township 20154 , December , Pre Test Grade 11 , Biology ,Time allowed (3) hours Write your answer in your answer booklet. Don’t copy the questions. 1.State TRUE