CHEMISTRY MODEL SET 4 PART 2 ANSWERS

NDA 1 EXAM 2022 | NDA CHEMISTRY PREVIOUS YEAR QUESTIONS PART 2

NDA 1 EXAM 2022 | NDA CHEMISTRY PREVIOUS YEAR QUESTIONS PART 1

Discuss the shape of the SiF_(4) molecule using VSEPR model .

Discuss the shape of BF_(4)^(-) using VSEPR model

Is * defined on the set {1,"2,"3,"4,"5}" by "" a * b"="LdotCdotMdot of a and b a binary operation? Justify your answer.

Study the diagram given below and then answer the questions that follow: Name the parts labelled 1 and 2. State the functions of each part.

Which of the following pairs of sets are equal? Justify your answer.(i)X, the set of letters in “ALLOY” and B, the set of letters in “LOYAL”.(ii)A = {n : n∈ Z and n2≤ 4} and B = {x : x∈ R and x2 – 3x + 2 = 0}

Clover leaf model of holley for tRNA is a 2D model giving secondary structure. A 3D model showing tertiary structure was

If the replacement set is the of whole numbers (W), find the solution set of : 4x - 2 lt 2x + 10 .

If the sets A = {1,3,5}, B = {2,4,6} and C = {0,2,4,6,8} . Then, the universal set of all the three sets A, B and C can be "………"