Search Result

33 Record(s) found!

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Introduction and Snapshot of Chemistry in Everyday Life - Study ref# 896

Introduction: By now, you have learnt the basic principles of chemistry and also realized that it influences every sphere of human life. The principles of chemistry have been used for the benefit of mankind. Think of cleanliness – the ... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Introduction and Snapshot of Chemistry in Everyday Life - Study ref# 897

Following sections must be covered to understand the Chemistry in Everyday Life: 1. Drugs and their Classification 2. Drug-Target Interaction 3. Therapeutic Action of Different Classes of Drugs 4. Chemicals in Food 5. Cleansin... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Target Setup for Chemistry in Everyday Life - Study ref# 898

Student requires to achieve the following milestones to get better grip over Chemistry in Everyday Life. The milestones / targets are as follows: Starting Point: Days 0Test TypeAppear on TestTarget TestsScorePractice Test000%Chap... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10058

Which of the following statements is not correct? (a) Some antiseptics can be added to soaps (b) Dilute solutions of some disinfectants can be used as antiseptic (c) Disinfectants are antimicrobial drugs. (d) Antiseptic medici... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10059

Which is the correct statement about birth control pills? (a) Contain estrogen only (b) Contain progesterone only (c) Contain a mixture of estrogen and progesterone derivatives (d) Progesterone enhances ovulation Answer: (c) Chemica... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10060

Which statement about aspirin is not true? (a) Aspirin belongs to narcotic analgesic. (b) It is effective in relieving pain (c) It has antiblood clotting action (d) It is a neurologically active drug. Answer: (a) Aspirin can be prep... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10061

The most useful classification of drugs for medicinal chemists is……. (a) on the basis of chemical structure (b) on the basis of drug action (c) on the basis of molecular targets (d) on the basis of pharmacological effect A... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10062

Salvarsan is arsenic containing drug which was first used for the treatment of……….. . (a) syphilis    (b) typhoid       (c) meningitis          (d) dysentery Answer: (a) Syphilis is an acute and chronic infections disease c... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10063

A narrow spectrum antibiotic is active against………….. (a) gram positive or gram negative bacteria (b) gram negative bacteria only (c) single organism or one disease (d) both gram positive or gram negative bacte... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10064

Compound which is added to soap to impart antiseptic properties is…. (a) sodium laurysulphate            (b) sodium dodecylbenzenesulphonate (c) rosin                                      (d) bithional Answer: (d) Basically, all s... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10065

Which of the following enhances leathering property of soap? (a) Sodium carbonate                  (b) Sodium rosinate (c)Sodium stearate                       (d) Trisodium phosphate Answer: (b) Shaving soaps contain glycerol to pr... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10066

Glycerol is added to soap. It functions……….. . (a) as a filler                        (b) to increase leathering (c) to prevent rapid drying  (d) to make soap granules Answer: Glycerol is added to shaving soap to prev... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10067

Which of the following is an example of liquid dishwashing detergent? Answer: (b) Liquid dishwashing detergents are non-ionic type. Non-ionic detergents do not contain any ion in their constitution. Mechanism of cleansing action of this ... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10068

Polyethyleneglycols are used in the preparation of which type of detergents? (a) Cationic detergents          (b) Anionic detergents (c)Non-ionic detergents        (d) Soaps Answer: (c) Polyethyleneglycols are used in the preparation o... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10069

Which of the following is not a target molecule for drug function in body? (a) Carbohydrates      (b) Lipids     (c) Vitamins        (d) Proteins Answer: (c) Drugs usually interact with biomolecules as carbohydrates, lipids, proteins and ... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10070

Which of the following chemicals can be added for sweetening of food items at cooking temperature and does not provide calories? (a) Sucrose                                (b) Glucose (c) Aspartame                            (d) Suc... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10071

Which of the following are not used as food preservatives? (a) Table salt                  (b) Sodium hydrogencarbonate (c) Cane sugar                (d) Benzoic acid Answer: (b, c) Food preservatives prevent spoilage of food du... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10072

Compounds with antiseptic properties are …………. (a)                    (b)   (c) boric acid                (d) 0.3 ppm aqueous solution of   Answer: (b, c) Antis... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10073

Which of the following are antidepressants? (a) Iproniazid                        (b) Phenelzine (c) Equanil                             (d) Salvarsan Answer: (a, b, c) Antidepressants are the substances which correct chemical im... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10074

Which of the following statements are incorrect about penicillin? (a) An antibacterial fungus (b) Ampicillin is its synthetic modification (c) It has bacteriostatic effect (d) It is a board spectrum antibiotic. Answer: (c, d) Pen... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10075

Amongst the following antihistamines, which are antacids? (a) Ranitidine                 (b) Brompheniramine (c) Terfenadine              (d) Cimetidine Hints- This question is based on the inter-relation between the antihistamin... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10076

Veronal and luminal are derivatives of barbituric acid which are…… (a) tranquilizers                  (b) non-narcotic analgesic (c) anti-allergic drugs         (d) neurologically active drugs Answer: (a, d) Derivatives of... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10077

What is the average molecular mass of drugs? Answer: Drugs are the chemicals of low molecular mass i.e.,( ) . They interact with macromolecular targets and produce a biological response. When the biological response is therapeutic and use... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10078

Write the uses of medicines. Answer: Chemical substances which are used in diagnosis, prevention and treatment of diseases which are called medicines. Medicines are used in diagnosis, prevention and treatment of diseases. Note- If drug... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10079

Where are receptors located? Answer: Receptors are proteins that are crucial to body’s communication process. Receptors are embedded on the outer surface of the cell membrane in such a way that their small part possessing active site project... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10080

What is the harmful effect of hyperacidity? Answer: Hyperacidity produces sudden stomach pain. It may lead to vomiting, loss of appetite, flatulence and heart burn. It is also responsible for chronic indigestion and in severe cases cause ... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10081

Which site of an enzyme is called allosteric site? Answer: Sites different from active site of enzyme where a molecule can bind and change the shape of the active site is called allosteric site. Detailed Explanation : Drugs can bloc... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10082

Which class of drugs is used in sleeping pills? Answer: Traquilizers are essential components of sleeping pills. It is the class of chemical compounds used for the treatment of stress and mild or even severe mental disease. These relieve anx... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10083

Aspirin is pain relieving antipyretic drug but can be used to prevent heart attack. Explain. Answer: Aspirin is 2-acetoxybenzoic acid. It is very effective in reducing or abolishing pain without causing impairment of consciousness, mental co... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10084

Both antacids and antiallergic drugs are antihistamines but they cannot replace each other. Explain why? Answer: Histamine is a chemical substance that stimulates the secretion of pepsin and hydrochloric acid in stomach. Antacids are designe... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10085

What is a soft soap? Answer: Chemical substances which concentrates at the surface of the solution or interfaces, from surface films, reduces surface tension of the solution and help in removing dirt and dust by emulsifying grease are called... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10086

How are transparent soaps manufactured? Answer: Soap that float in water are made by beating tiny air bubbles before their hardening. Transparent soaps are made by dissolving the soap in ethanol and then evaporating the excess solvent.... read more

JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10087

What are the fillers and what role these fillers play in soap? Answer: Substances which are added to soaps to change their properties in order to make them more useful for a particular application, are called fillers. Some important examples... read more

Search

Check your desired chapters availability

Search