ECAT Chemistry Online Test With Answers

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ECAT Chemistry Online Test

Sr. # Questions Answers Choice
1 Orlon is a polymer of Tetrafluoroethylene Acrylonitrile Ethanoic acid Benzene
2 Peptide bond is a key feature in Polysaccharide Proteins Nucleotide Vitamins
3 Which of the following is a polyamide? Nylon Orlon Teflon Terylene
4 Synthetic polymer prepared from caprolactum is known is Nylon 610 Teflon Terylene Nylon-6
5 Which of the following is obtained by condensation polymerization? Polyethene Teflon Phenol formaldehyde resin Nitrile rubber
6 Enzymes, in the living systems Provide energy Provide immunity Transport oxygen Catalyze biochemical processes
7 The monomeric units of starch is/are Glucose Fructose Glucose and fructose Mannose
8 On hydrolysis of starch, we finally get Glucose Fructose Both Sucrose
9 Hydrolysis of sucrose is called Inhibition Saponification Inversion Hydration
10 The disaccharide present in milk is Sucrose Maltose Lactose Cellobiose
11 Enzymes are Proteins Minerals Oils Fatty acids
12 Which of the following is not present in RNA? Uracil Thymine Ribose Phosphate
13 The main structure features of proteins is An ester linkage An ether linkage The peptide linkage All
14 Vitamin A is present in Liver Milk Green vegetables All
15 Which of the following is a molecular diseases? Allergy Cancer German measles Sickle cell anemia
16 Which has maximum protein content? Ground nut Cow milk Egg Wheat
17 Ascorbic acid is a chemical name of Vitamin D Vitamin A Vitamin C Vitamin B<sub>6</sub>
18 The digestion of fats in the intestines is aided by Diffusion Protection Peptization Emulsification
19 The reagent which forms crystalline osazone derivative when treated with glucose is Fehling solution Phenyl hydrazine Benedict solution Hydroxyl amine
20 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
21 Ethyl acetate is obtained when methyl magnesium iodide reacts with Ethyl formate Ethyl choroformate Acetyl chloride carbondioxide
22 Lactic acid on oxidation by alkaline potassium permanganate gives Tartaric acid Pyruvic acid Cinnamic acid Propionic acid
23 Hydrolysis of an ester gives a carboxylic acid which on Kolbe's electrolysis yields ethane. the easter is Ethyl methonoate Methyl ethanoate Propylamine Ethylamine
24 HCOOH reacts with conc. H2SO4to produce CO CO<sub>2</sub> NO NO<sub>2</sub>
25 When propanamide reacts with Br2and NaOH then which of the following compounds is formed? Ethyl alcohol Propyl alcohol Propyl amine Ethylamine
26 Hydrolytic reaction of fats by causic soda is known as Acetylation Carboxylation Esterification Saponification
27 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
28 Rearrangement of an oxime to an amide in the presence of strong acid is called Curtius rearrangement Fries rearrangement Beckman rearrangement Aldol condensation
29 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
30 Rosenmund's reduction of an acyl chloride gives An aldehydes An alcohol An ester A hydrocarbon
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