Chemistry Quiz Worksheets with answer

1.	Which one of the following statements is true'? (A) Drying of oil involves hydrolysis (B) Saponification of oil yields a diol. (C) Refining of oil involves hydrogenation (D) Addition of antioxidant to oil minimizes rancidity	Answer: (D)
2.	IUPAC name of (CH3)3CCl (A) 2 chloro 2 methyl propane (B) t-butyl chloride (C) n-butyl chloride (D) 3-chloro butane	Answer: (A)
3.	Which one of the following statements is not true regarding (+) Lactose? (A) (+) Lactose, C12H22O11 contains 8-OH groups (B) On hydrolysis (+) Lactose gives equal amount of D(+) glucose and D(+) galactose (C) (+) Lactose is a b-glycoside formed by the union of a molecule of D(+) glucose and a molecule of D(+) galactose (D) (+) Lactose is reducing sugar and does not exhibit mutarotation	Answer: (D)
4.	ln electrophillic aromatic substitution reaction, the nitro group is meta directing because it (A) increases electron density at meta position (B) increases electron density at ortho and para positions (C) decreases electron density at ortho and para positions (D) decreases electron density at meta position	Answer: (C)
5.	ln the electrolysis of acidulated water, it is desired to obtain 1.12 cc of Hydrogen per second under S.T.P. condition. The current to be passed is (A) 19.3 Amp (B) 0.965 Amp (C) 1.93 Amp (D) 9.65 Amp	Answer: (D)
6.	Lucas test is associated with (A) Carboxylic acid (B) Alcohols (C) Aldehydes (D) Phenols	Answer: (B)
7.	Malleability and ductility of` metals can be accounted due to (A) the presence of electrostatic force (B) the crystalline structure in metal (C) the capacity of` layers of metal ions to slide over the other (D) the interaction of` electrons with metal ions in the lattice	Answer: (C)
8.	Mass of 0.1 mole of Methane is (A) 1 g (B) 16 g (C) 1.6 g (D) 0.1 g	Answer: (C)
9.	Maximum number of molecules of CH3I that can react with a molecule of CH3NH2 are (A) 1 (B) 2 (C) 4 (D) 3	Answer: (D)
10.	Mercury is a liquid metal because (A) it has a completely filled s-orbital (B) it has a small atomic size (C) it has a completely filled d-orbital that prevents d-d overlapping of orbitals (D) it has a completely filled d-orbital that causes d-d overlapping	Answer: (C)