Prelims model questions set-3 =========================== 1. Identify the correct statement regarding to isomerism A. A difference in molecular weight B. A difference in properties and structural formula C. A difference in molecular formula D. Same in structural formula (Ans. B) 2. Select the antacid compound A. Aluminium hydroxide B. Magnesium hydroxide C. Barium peroxide D. Both a & b (Ans. D) 3. Select the IUPAC name of the first member of the alkyne family A. Methane B. Ethyne C. Ethane D. Ethene (Ans. B) 4. Which among the following is associated with Dr. S. Dharmabal i. She studied siddha and started a hospital in chennai ii. She started an agitation called Elavu Varam iii. She established Chennai Manavar Mandram iv. She was conferred the title Veera Tamilannai Codes : A. i, iii, iv B. i, ii, iii C. ii, iii, iv D. All the above (Ans. D) 5. ...