ECAT Chemistry MCQ's Test For Full Book With Answers

ECAT Chemistry MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 Synthetic polymer prepared from caprolactum is known is Nylon 610 Teflon Terylene Nylon-6
2 Which of the following is obtained by condensation polymerization? Polyethene Teflon Phenol formaldehyde resin Nitrile rubber
3 Enzymes, in the living systems Provide energy Provide immunity Transport oxygen Catalyze biochemical processes
4 The monomeric units of starch is/are Glucose Fructose Glucose and fructose Mannose
5 On hydrolysis of starch, we finally get Glucose Fructose Both Sucrose
6 Hydrolysis of sucrose is called Inhibition Saponification Inversion Hydration
7 The disaccharide present in milk is Sucrose Maltose Lactose Cellobiose
8 Enzymes are Proteins Minerals Oils Fatty acids
9 Which of the following is not present in RNA? Uracil Thymine Ribose Phosphate
10 The main structure features of proteins is An ester linkage An ether linkage The peptide linkage All
11 Vitamin A is present in Liver Milk Green vegetables All
12 Which of the following is a molecular diseases? Allergy Cancer German measles Sickle cell anemia
13 Which has maximum protein content? Ground nut Cow milk Egg Wheat
14 Ascorbic acid is a chemical name of Vitamin D Vitamin A Vitamin C Vitamin B<sub>6</sub>
15 The digestion of fats in the intestines is aided by Diffusion Protection Peptization Emulsification
16 The reagent which forms crystalline osazone derivative when treated with glucose is Fehling solution Phenyl hydrazine Benedict solution Hydroxyl amine
17 Carboxylic acids are more acidic than pehnol and alcohol because of Intermolecular hydrogen bonding Formation of dimmers Highly acidic hydrogen Resonance stabilization of their conjugate base
18 Ethyl acetate is obtained when methyl magnesium iodide reacts with Ethyl formate Ethyl choroformate Acetyl chloride carbondioxide
19 Lactic acid on oxidation by alkaline potassium permanganate gives Tartaric acid Pyruvic acid Cinnamic acid Propionic acid
20 Hydrolysis of an ester gives a carboxylic acid which on Kolbe's electrolysis yields ethane. the easter is Ethyl methonoate Methyl ethanoate Propylamine Ethylamine
21 HCOOH reacts with conc. H2SO4to produce CO CO<sub>2</sub> NO NO<sub>2</sub>
22 When propanamide reacts with Br2and NaOH then which of the following compounds is formed? Ethyl alcohol Propyl alcohol Propyl amine Ethylamine
23 Hydrolytic reaction of fats by causic soda is known as Acetylation Carboxylation Esterification Saponification
24 What will happen if LiAIH4is added to an ester? Two units of alcohol are obtained One unit of alcohol and one unit of acid is obtained Two units of acids are obtained None of these
25 Rearrangement of an oxime to an amide in the presence of strong acid is called Curtius rearrangement Fries rearrangement Beckman rearrangement Aldol condensation
26 Which of the following reagents is used to distinguish between methanoic acid and ethanoic acid? Amm. silver nitrate solution Neutral ferric chloride Sodium hydroxide solution Sodium carbonate solution
27 Rosenmund's reduction of an acyl chloride gives An aldehydes An alcohol An ester A hydrocarbon
28 Which of the following compounds on boiling with KMnO4(alk) and subsequent acidification will not give benzoic acid? Benzyl alcohol Acetophenone Anisole Toluene
29 Saponification of ethyl benzoate with caustic soda Benzyl alcohol,ethanoic acid Sodium benzoate, ethanol Benzoic acid, sodium ethoxide Phenol, ethanoic acid
30 Ethyl acetate reacts with CH3MgBr to form Secondary alcohol Tertiary alcohol Primary alcohol and acid Acid
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