CHM102: PRACTICE TEST SET1.

CHM102: PRACTICE TEST SET1.

DISCLAIMER: FOR REVISION PURPOSE ONLY, PLEASE DO NOT TAKE INTO THE EXAM HALL. In ____ reaction, a conjugated diene is treated with an unsaturated compound called dienophile to yield a cyclic system. (A) Diels-Ader reaction (b) Wittig reaction (C) Wurz reaction (D) Kolbe electrolytic reaction. ANS: A The terminal alkynes on hydroboration give _____, (A) alkanes (B) alkenes (C) aldehydes (D) Ketones. ANS: C Reactions that lead to attachment of an alkyl to a molecualr fragment are called_____(A) Acylation reaction (B) Addition reaction (C) Nucleophilic reaction (D) Alkylation reaction. ANS: D ____ involves elimination of the halogen atom together with…continue reading →
PHY102 TMA2 SOLUTION

PHY102 TMA2 SOLUTION

The electric field is measured in… Ans: Newton per coulomb. A region where an electric charge experiences a force is known as… Ans: Electric field. The number of lines of force crossing any closed surface is proportional to the…. Ans: Net charge. Electric field is which type of physical quantity.. Ans: Vector Electric charge is quantized occurring only in… Ans: Discrete amounts. The direction of the electric field is opposite to that of the force if the charge is… Ans: Negative. Electric flux is a… Ans: Scalar. The number of lines of force crossing any surface depends on the field…continue reading →
PHY102 TMA1 SOLUTIONS

PHY102 TMA1 SOLUTIONS

Which of these is not an example of dielectric material? Ans: Steel. When a dielectric material is placed between plates of a capacitor, it increases its… Ans: Capacitance. When a dielectric material is subjected to a sufficiently strong electric field, it becomes a… Ans: Conductor. The electrostatic force is conservative because the workdone in taking a charge round a closed path is… Ans: Zero. For capacitors in parallel, the potential difference across each capacitor is… Ans: The same. When a dielectric material is inserted between the plates of a capacitor it increases its… Ans: Capacitance. The electrostatic force is conservative…continue reading →